How To Install A Bathroom Fan On First Floor? (14 Step Guide)

How To Set up Tub Followers On The First Flooring?

Putting in a brand new lavatory fan on the primary flooring of a house could be a massive problem if there is not an present lavatory fan and duct. I invite you to read my guide on replacing an existing bathroom fan with out attic entry if you have already got an outdated bathtub fan.

The primary principal step in putting in a shower fan on the primary flooring is to find out the location of your bathtub fan on the ceiling, and to decide on the place it ought to exhaust on the skin. You have to to route a flex duct from the toilet to the outside wall. You should utilize both a reciprocating noticed or gap noticed to chop into the outside wall. Afterwards you have to to safe the duct to an exterior vent hood.

In addition to the ducting, the opposite principal problem shall be getting Romex wiring from {the electrical} panel field to the toilet. After getting routed the duct and the wiring, you possibly can safe these things to the toilet fan housing after you have got reduce into the drywall.

To learn the small print of every step, maintain scrolling…

Learn Additionally: What Are The Best Delta Bathroom Fans?


Step 10 – Pull Wiring By way of Housing

Earlier than you screw the housing onto the ceiling joists, you have to to do the wiring.

Previous to wiring the bathtub fan, it is strongly recommended to put in a plastic grommet on the housing which is able to assist defend the wiring from abrasion on the metal edges.

As soon as the grommet is put in, you possibly can put your entire housing into the ceiling gap, after which take the Romex cable which is non-metallic sheathed cable and pull it via the grommet.

Learn Additionally: How Much Electricity Do Bathroom Fans Use?

Rest room Specs


Specs for the location of plumbing fixtures and the scale of pipes are supposed to make the lavatory a cushty house with loads of capability for incoming water and outgoing drains and vents. Earlier than taking on a hammer or a drill, try our specs for a well-planned structure. There could also be codes and laws you're not conscious of.

FAQs About Putting in a Rest room Fan

Changing or putting in a rest room fan takes time and diligent effort to ensure the fan seems nice and features correctly. Given the various steps within the challenge, there could also be just a few questions on lavatory followers and the set up course of. Preserve studying to search out solutions to among the mostly requested questions on bathroom fan installation.


Q. What sort of sunshine bulbs can I exploit in my lavatory fan?

Most rest room followers which have built-in lights use LED bulbs as an alternative of conventional bulbs. Nevertheless, halogen bulbs are additionally applicable, and they’re extra environment friendly than normal incandescent bulbs.

Q. Can I set up an exhaust fan immediately over a tub or bathe?

If the exhaust fan is listed as examined and accepted for set up over a bathtub or bathe, and it’s hooked up to a ground-fault circuit interrupter (GFCI), then it may be put in immediately over the bathtub or bathe. Simply make sure that to repeatedly verify the toilet fan grille for indicators of mold.

Q. Does it matter if there’s insulation touching my exhaust fan?

It relies on the kind of lavatory fan you have got. Test the insulation contact (IC) score so as to decide whether or not the toilet fan can keep in touch with insulation or if the insulation must be adjusted to permit for protected set up and operation of the fan. In case you are nonetheless uncertain, there could also be extra data included with the product or listed on the producer’s web site to assist decide the most effective plan of action.

Q. What’s one of the simplest ways to duct an exhaust fan?

Ideally, the toilet fan exhaust duct ought to run on to the outside of the house. Keep away from operating the duct to a soffit or proper beneath a roof overhang as a result of moist air could possibly be pulled again into the house the place it may result in mould and mildew issues within the attic.

Steps on Bathroom Set up

Right here, we requested This Previous Home plumbing and heating knowledgeable Richard Trethewey to indicate set up a bathroom. The time required varies, however give your self half a day in case you’ve received a variety of expertise with plumbing jobs, and a full day in case you’re a novice.

2. Prep the Flooring and Soil Pipe

Photograph by David Carmack
  • Stuff a rag into the soil pipe to dam sewer fuel and forestall {hardware} from falling in.
  • Test that the outlet within the flooring is giant sufficient to accommodate the closet flange as much as its collar. If the outlet must be enlarged, hint across the flange’s base with a pencil, then reduce away the surplus flooring with a jigsaw. Do not reduce any joists.
  • Dry-fit the soil pipe into the closet bend. Place the flange over the soil pipe, then measure the hole between the underside of the flange’s collar and the end flooring.
  • Take away the soil pipe and use a handsaw to trim it to the measurement within the earlier step. Take away burrs by scraping the reduce edge with a utility knife.
  • Dry-fit the flange to the soil pipe, and the soil pipe to the closet bend to make sure the flange’s collar rests on the ground.

3. Set up the Soil Pipe and Closet Flange

Photograph by David Carmack
  • The following step to exchange a bathroom is to wipe PVC primer on the within of the closet bend and on the skin of 1 finish of the soil pipe. Apply PVC cement to those self same surfaces and instantly twist the soil pipe into the closet bend.
  • Prime and apply cement to the free finish of the soil pipe and the within of the closet flange. Twist and press the flange onto the soil pipe till the collar is seated on the ground.
  • Rotate the collar till its slots are positioned to the precise and left of the outlet. (The closet bolts, which shall be inserted into the slots, should line up parallel to the wall behind the tank.)
  • Safe the collar to the ground with stainless-steel screws lengthy sufficient to chew into the subfloor.

Tip: When gluing a fixed-collar PVC flange, align the bolt slots shortly earlier than the cement units.

4. Solder the Cease Valve

Photograph by David Carmack
  • Shut off the toilet’s water-supply valve.
  • Place a bucket beneath the provision line, then sever the road with a tubing cutter. Depart about 1 inch of pipe to connect the cease valve and escutcheon. Permit the pipe to empty.
  • Take away the valve’s deal with and stem. (Warmth from soldering might harm the stem’s plastic washers.)
  • Dry the pipe in and out with a rag. Clear the within and out of doors of the pipe and the within of the valve’s inlet utilizing a wire-brush pipe cleaner. Apply flux to each areas.
  • Slip the escutcheon over the provision line, adopted by the cease valve; the valve’s outlet ought to level upward.
  • Warmth the provision line cease valve joint with a propane torch. As soon as the joint is sizzling sufficient to soften the solder, take away the flame and run the solder across the joint. When a drop of solder seems on the backside, the joint is stuffed.

5. Set up Bathroom Wax Ring, Set the Bowl

Photograph by David Carmack
  • Insert the lengthy brass closet bolts, threaded-end up, into the flange collar’s slots. Slip a brass washer over every.
  • Gently press the wax ring, flat-side down, over the flange.
  • Carry the bathroom bowl over the flange, align the holes in its base with the closet bolts, and decrease the bottom onto the ring.
  • With out twisting or rocking, press the bowl down onto the wax ring till the bowl’s base rests on the ground. If the ground is uneven, shim the bowl with stainless-steel washers.
  • Slip a nylon washer over every bolt, then hand-thread the nuts. Tighten the nuts with a wrench one quarter flip at a time, alternating between the 2. Cease when the wrench meets agency resistance; overtightening will crack the bowl.
  • With a hacksaw, trim the closet bolts at some extent two threads above the highest of the nut. Snap the plastic bolt covers into place.

*Start with this step if changing an present rest room or a defective wax seal.

6. Set up the Tank

Photograph by David Carmack
  • Ensure that the large-diameter rubber tank-to-bowl (or spud) washer on the skin of the tank’s backside is firmly seated.
  • Match the small-diameter rubber tank washers into the small tank holes from the within of the tank, then insert the tank bolts.
  • Gently decrease the tank onto the again of the bowl, guiding the ends of the tank bolts into the holes.
  • Slip a nylon washer onto every bolt, then hand-thread the nuts.
  • Holding every bolt head in place with a screwdriver, hand-tighten the nuts, alternating from nut to nut and checking repeatedly to ensure the tank is degree. Overtightening will crack the porcelain.
  • Join the tank’s deal with to the flapper chain.

7. Set up the Provide Line and Seat Meeting

Photograph by David Carmack
  • Utilizing a tubing bender, curve the provision line to suit between the stop-valve outlet and the tank-supply becoming. Then maintain the pipe, flared-end-up, between these two factors and mark it half an inch under the outlet. This can depart sufficient line to take a seat contained in the outlet.
  • Reduce the provision line on the mark made above, utilizing a tubing cutter.
  • Slip the plastic nut, compression nut, and compression ring (in that order) onto the provision line. Add a skinny coat of Teflon paste to the valve’s outlet threads, then seat the road within the outlet, and match the compression ring.
  • Hand-tighten the provision line’s plastic nut beneath the tank. Then tighten the compression nut with a wrench.

8. Ending Touches

Photograph David Carmack
  • Place the seat meeting over the bowl, then insert the plastic bolts via the seat again and the bowl’s seat holes; tighten the nuts by hand.
  • Activate the principle provide line, open the cease valve, and permit the tank to fill. Flush six occasions. The ultimate step to putting in a bathroom is to verify for leaks.

Suggestions for Revamping a Present Rest room

Whether or not you need to enhance the worth of your property or enhance the way in which you’re feeling about your lavatory, you too can contemplate giving an present lavatory a facelift. This can be a extra inexpensive choice than including a complete new lavatory and might nonetheless obtain some nice outcomes. Take into account the following pointers that will help you revamp a present lavatory:

  • An inexpensive approach to give your bathtub, bathe or sink a brand new look is to replace the faucets with ones which have trendy attraction.
  • Portray is a tried-and-true technique of giving any room a recent new look. You might also need to contemplate an accent wall with a enjoyable wallpaper, tile or wooden planking you’re keen on.
  • Nobody desires a dimly lit lavatory, particularly on the self-importance the place you possible spend time preparing. You additionally don’t need to have outdated lighting fixtures. Should you’re dissatisfied together with your present lighting fixtures, changing them with vivid ones you’re keen on is a superb transfer.
  • The mirror over your self-importance may have an replace if it’s a plain, builder-grade mirror. As a substitute of changing the entire mirror, contemplate including a body to offer the mirror a extra trendy look.

Does including a rest room add worth to your property?

Including a rest room will all the time enhance the worth of your property, however how a lot will largely rely in your location. The typical return on the west coast of the USA is round 67 p.c. East coast is roughly 47 p.c, however this quantity will change largely on the supplies and dimension of the toilet you might be including to your property.

End the partitions across the tub

Figure C: Surround installation detail

Determine C: Encompass set up element

Fill in above the encompass fastidiously for a easy transition to the wall board.

Photo 12: Fill the gaps between the wall and panel

Photograph 12: Fill the gaps between the wall and panels

Cowl the flange and hole with 1/4-in. tile backer. Predrill outsized holes and drive particular tile backer screws to keep away from breaking the skinny backer board.

Photograph 13: Tile and grout Tile the again wall first, centering the structure. Then, beginning on the outer nook of the top partitions, tile towards the again wall and right down to the ground. Let the adhesive set, then apply grout.

Making a pleasant wall end across the new encompass requires particular consideration to element. Due to the thickness of the flange, use 3/8- or 1/4-in. backer board to maintain the floor flush with the drywall (Photograph 12). As well as, we selected to tile round all the perimeters to cowl the joint and keep away from a tough taping job. The skinny backer board is fragile in slender strips; predrill and fasten it to the studs with the particular screws designed for backer board. Maintain it again about 1/8 in. from the sting of the encompass (Determine C).

Clear and prime painted partitions earlier than tiling. Then set the tile, working from the skin corners on the top partitions and from the middle on the again wall for a symmetrical structure (Photograph 13). Caulk the tile/tub joint the day after you grout.

Extending an present lavatory

A well-liked choice can be extending an present lavatory as an alternative of putting in a brand new one someplace in your house. The advantages of this might be that you simply get to maintain your present lavatory design as you’ll solely be increasing the dimensions of your earlier lavatory. As well as, any modifications or enhancements you make have already got an present framework to construct off of which implies much less stress in your pockets. Relying on the dimensions of a change you need to make, one of these set up will run wherever from $2,000-5,000+ relying on how giant you need your lavatory to be.

What Should I Know Before Adding a Bathroom?

What Ought to I Know Earlier than Including a Rest room?

Earlier than you look so as to add a brand new lavatory to your property, it’s best to ask your self, who is that this lavatory for? Under are some concerns it’s best to take note when trying so as to add a rest room: 

You Need Room

You Want Room

It doesn’t matter what dimension residence you have got, house is all the time a premium. Putting in a brand new lavatory to an present house reminiscent of a closet, storage, or an in any other case underused a part of your property can drastically enhance the quantity of accessible house. The disadvantage to that is that you could be want to change the plumbing to achieve your new lavatory, and including a brand new lavatory may be fairly expensive-ranging, from $4,000-12,000.

Make it Accessible

Making a rest room extra accessible is all the time constructive, and particularly for older people, navigating stairs may be fairly troublesome. So earlier than you add a rest room, contemplate its accessibility and look to make it simply accessible for all family members. Probably the most important disadvantage to an accessible lavatory will even be making certain that the plumbing traces up.

Determine on Peak

Earlier than you look to put in a rest room, bear in mind to make your calculations and place your fixtures and equipment accordingly. You need to guarantee you have got a tough thought of how giant your house shall be to make sure that the whole lot matches; in any other case, it is going to be an incredible problem to re-do an space as a result of improper measurements.

Match Pipes Properly

You don’t need your lavatory pipes to make use of the outside partitions for plumbing and fixtures. When including a rest room, you need to guarantee your pipes are aligned to accommodate the whole lot in your lavatory structure. Should you don’t have plumbing data, a plumber will cost you wherever from $700-20,000, relying on the complexity of your property and present plumbing setup.

Take into account Your Wiring

Many bogs usually make the most of a single outlet which may violate issues of safety and danger overloading the ability in your lavatory. Plan and distribute your wires evenly so you need to use a number of shops to energy your lavatory. An electrician will cost you roughly $200-1,000, relying on the dimensions of your lavatory.

Get Lighting Proper

Correct lighting in your lavatory could make it extra pleasing and safer. Preserve heavy visitors areas illuminated. You possibly can make the most of conventional lighting or add a dimmer change for a extra subdued setting. Mirror backlighting is well-liked as it’s much less intrusive than standard setups. Lights vary from $100-500, relying on fashion and dimension.

Guarantee Correct Air flow

Moisture and your lavatory don’t get alongside, so it’s important to make sure that your lavatory is correctly ventilated. Extra moisture could cause mould and odors, so guarantee you have got a fan that covers at the very least 1 CFM per sq. foot of room space. Putting in a brand new fan with ducts and a roof vent will price round $350, with higher-end fashions costing about $800.

Constructing a Moist Wall

A moist wall is required to construct a brand new lavatory, half-bath, bathe unit, or laundry room in your basement. It's a little bit of an enterprise, however manageable for most householders. With our directions, you'll learn to dig a trench in your concrete flooring, make a connection to the principle drain line, and body a wall that encloses the drain and vent traces.


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