Vaulted Ceiling No Attic

What to do with roof with no air flow space.

Vaulted ceiling no attic.

How to avoid condensation leaks attic mold insulation mold structural damage to roof framing when roof venting is not possible cathedral roof and knee wall insulation venting air path options in older homes hot roof designs. You ll need an hvac contractor to determine whether your heating system can handle the increased volume of a room with a vaulted ceiling. It is a low slope shingles roof over cathedral ceiling house with no attic. I have a roof with no attic space in the living room and experience radiant heat coming through the ceiling in the summer.

Worries about the hot roof un vented cathedral ceiling designs how to. Cathedral ceiling no attic space return to is a metal roof right for my house. There is no attic there is no insulation whatsoever. Inside it has exposed beam vaulted ceilings.

To keep fiberglass batts from blocking airflow rafter baffles should be. Suggestions for un vented or hard to vent building roof cavities. Anything in the area to be vaulted will have to be relocated. What it means that there s no accessible attic between the ceiling and roof surface only narrow rafter truss space which should be partially filled with insulation.

A vaulted roof offers open living space directly below the rafters because there are no horizontal ceiling joists. You ll want a tight ceiling air barrier with no air leakage into the cathedral ceiling a critical detail for all cathedral ceiling designs. And remember that vaulted ceilings reduce the amount of livable floor space in the home. Although there is no separate attic to vent air circulation is still necessary.

From a new home building viewpoint a vaulted ceiling is no more complicated than standard construction where the house is framed with two full stories but it does raise the cost of construction by 5 to 20 percent. Research has shown that the amount of airflow in the vent channels of low slope roofs is very limited for roofs with less than a 3 12 pitch. I have added sheet insulation to keep the heat in but as a result now there is no space between it and the sheathing under the shingles. Condensation forms on vaulted ceiling under it.

When you look up inside the house you see 4 x 10 beams every 6 feet running as rafters would and then you see tongue and groove 2 x 6 roof decking running between the beams.