Measure the fan housing and duct.
Attic access in bathroom.
How to install a bathroom fan without attic access things to do before replacing a bathroom fan 01.
When cutting brackets it s advised that you use either a reciprocating saw or an oscillating saw.
For those homeowners who don t have access to the bathroom fan from the attic the brackets or mounting screws will need to be removed from below.
Avoid venting through a soffit vent or ridge vent.
The warm air will exhaust out the duct and enter back into the attic through the soffit vent or ridge vent.
If you have access to the attic the fan can vent either through a gable wall or roof.
All you have to do is take off the fan cover and get the exact measurements of the exhaust fan housing.
Letting the fan exhaust into an open attic will cause moisture buildup on the underside of the roof.
The first and most important thing is to determine the fan size as well as the fan duct size.
Full bathrooms consisting of a toilet sink and bathing facilities add maximum utility and value to your attic full baths are also the most costly and labor intensive type of bathroom to create since a bathtub or shower add significant weight to the flooring as well as creating more complications with water supply and drainage lines.
It can be challenging to install this if you don t have access to the attic and you may have to remove some of the ceiling drywall.
Assess the type of attic bathroom you want.