Finishing Attic With Slate Roof

I want to finish the attic under our slate roof.

Finishing attic with slate roof. I ve got a question and i m hoping someone here might be able to provide some insight. If you re finishing your attic insulating it to the proper r value can cause a dramatic loss of headroom if you limit yourself to fiberglass batts. My wife and i recently purchased an old home 1883 with a slate roof. Are there any problems with ventilation if i put insulation under the slate.

Enforcement varies but codes typically say that at least half of a finished attic must be at least 7 feet high and that this area must be a minimum of 7 feet wide and 70 square feet. Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents. Intake vents located at the lowest part of the roof under the eaves allow cool. Follow the rule of 7s.

It s always preferable to leave an airspace an inch or so between the insulation and the roof sheathing boards. To meet all three goals insulating your finished attic ventilating the roof and maximizing headroom use a combination of dense batt insulation rigid foam sheeting and air chutes. Building codes vary by location but most require at least a 7 foot clearance for attic expansions. That s measured after you finish the ceiling if you don t have enough height you ll have to raise the roof line and that adds a lot to your construction costs.

Posted on saturday november 10 2001 08 22 pm. If there is a space above the ceiling in the. We re planning on finishing the attic space because it s 1000 sq feet with tall ceilings. Every attic is different but a few established norms and practices will guide your renovation.