I am struggling to figure out how one would go about installing adequate attic ventilation where a slate roof is present.
Insulating attic slate roof.
I need to insulate my roof but want to keep the boarded floor free for storage i can see the slate and mortor from inside and its quite windy.
Hello gba any best practices on the proper way to insulate a home with an un vented slate roof.
That means insulating the attic floor only not the walls and having vents in the roof.
It creates a breeding ground for mold and mildew and ruins the air trapping pockets that block heat flow.
Insulating the roof is a priority if the ceilings of your home happen to be part of the roof deck as is the case with cathedral ceilings.
You may also insulate your roof to help regulate the temperature in an attic that is a part of your living space.
Hitting amazing levels of 0 13w m will need 300mm of mineral wool or 180mm of rigid foam.
How do i insulate a slate loft roof.
If your attic is often used or perhaps you plan to convert it in the future you will need to insulate the inner surfaces of the roof.
Whether or not there is an inner roof lining and the total thickness of the roof structure.
With a finished attic insulation must help keep the attic areas comfortable.
Additionally insulation serves as a way to enhance sound proofing on the uppermost envelop of your house.
I was going to block it all up but was told id get damp and mould due to lack of air flow.
Re defining the envelope to the rafters one would likely use a vapor.
Insulating the pitched roof.
Achieving a u value of 0 20w m meaning your roof will be better insulated than your walls will need 120mm thickness of rigid foam or 200mm of mineral wool or natural insulation.
Water is insulation s enemy.
Insulating in and around your roof attic space also prevents long term damage from moisture build up or ice damming which results from the warm air trying to escape through the apex of the roof but instead heating up the snow.
I have an attic room by original design in a victorian house.
Materials commonly used for the insulation of the roof deck include.
The roof was leaking so we had to take down all the lathe and plaster leaving the rafters exposed.
The leak has now been repaired and i have to make good the room.
Ive heard about leaving a gap but is this between the slate or the.
Box out light fixtures.
The materials used to insulate under the roof include batts of mineral or glass wool insulation held in place by battens of wood attached to and across the rafters alternatively polystyrene.
The technically correct approach depends on a number of factors.
A finished attic should be insulated much like the rest of the house with insulation in the walls and ceiling.
Look for water stains on the roof sheathing or damp or moldy spots on attic joists and existing insulation as a clue to where leaks might be.
