Roof Blanket Thickness

Although our product offering includes 6 of fiberglass insulation in the walls and roof of a building we do not recommend that you install blankets more than 4 thick.

Roof blanket thickness.

Any blanket thickness can be used however an airspace may be created between the roof panels and insulation creating condensation. Earthwool roof blanket unfaced provides thermal and acoustic insulation for commercial roofs. This blanket is available in both 55mm or 75mm thickness. Folds are supplied in 2 6m lengths and range from 3 6 folds per bale.

Multi functional drainage and filtration layer which prevents the roots of sedum plants from becoming waterlogged. Permastop roofing blanket installed over purlin support located between cladding safety mesh incorporating deckmate thermal spacers to allow for blanket recovery to nominal thickness. See our range o. Base blanket r value nominal thickness mm nominal length m nominal width mm nominal coverage kg nominal weight per pack kg heavy duty perforated.

18 11 88 1 8 80 15 1200 18 15 84. Skillion ceiling cavities can have a higher risk of condensation occurring branz bulletin 610. Our skillion roof blanket insulation is available in a 570mm wide fold to fit rafters at 600mm centres. Condensation control can be achieved when the product is faced with foil of the appropriate duty classification.

The blanket thickness is usually determined and limited by the depth of the roof purlins. 1 3 60 15 1200 18 11 88 1 8 80 15. 3 0 130 10 1200 12 17 16. Insulation directly under your metal roof is one of the most effective ways of controlling condensation temperature and reducing unwanted noise.

Flat metal roof at 0 to 5 pitch total r value 55mm r 2 2 winter r 3 3 summer. 3 sdf mat drainage layer for shallow pitch roofs. Darren our roof plumber shows how he installs the roof blanket with foil attached. Air space below foil assumed to be unventilated 100mm to 600mm air space.

2 5 100 10 1200 12 13 20. Benefits of roof insulation. Knauf insulation r1 8 earthwool roof blanket with reflective foil 75mm knauf insulation r1 8 earthwool roof blanket also known as foil faced space blanket are intended for both thermal and acoustical applications properly installed r1 8 earthwool roof blanket will vastly reduce the amount of heat which is transmitted inside through the roof of your home. Another method is to install the blankets typically between the roof purlins supported with banding.

Thicker blankets may distort the sheeting and can become so compressed that they do not perform at the rated r value. 40mm high perforated edge drainage trim for bauder sedum blanket.