Roof Insulation

Over Rafter Insulation

Pitched Roof Over Rafter
Pitched Roof Over Rafter

How to Install

Apply SuperFOIL directly to the rafters from the roll either horizontally or vertically .

Start at the bottom and work up the roof overlapping at each junction. When installing vertically start at the high point and roll down the rafter.

Apply tension to the SuperFOIL as you staple in place; staple into the rafters with staples inserted at regular intervals, 50mm to 100mm spacing is recommended. Cut to length and fix the next layer.

Overlap all joints by a minimum of 50mm and staple onto the rafters where the joint crosses the rafter. Seal all joints using SuperFOIL tape.

At the eaves trim SuperFOIL around the rafters and seal to either the wall plate or the Cavity wall insulation if present.

Apply tape to any tears, cuts or joints.

Then Install a batten to create an air space and onto the batten fix a breather membrane; Follow with a tile batten and tiles.

With an over rafter installation a vapour check control layer is recommended to be fitted behind the plasterboard, to reduce the risk of interstitial condensation.

Under Rafter Insulation

Pitched Roof Under Rafter
Pitched Roof Under Rafter

How to Install

Apply SuperFOIL directly to the rafters from the roll either horizontally or vertically .

For under rafter start at the high point and  work down, overlapping at each junction as you add the layers.

When installing vertically start at the high point and roll down the rafter.

Apply tension to the SuperFOIL as you staple in place; staple into the rafters with staples inserted at regular  intervals, 50mm to 100mm spacing is recommended. Cut to length and fix the next layer.

Apply tape to any tears, cuts or joints before fixing plasterboard to the battens.

Overlap all joints by a minimum of 50mm and staple onto the rafters where the joint crosses the rafter. Seal all joints using SuperFOIL tape.

At the eaves trim SuperFOIL around the rafters and seal to either the wall plate or the Cavity wall insulation if present.

To fix plasterboard when using SuperFOIL under rafters. Install battens sized according to the product used (SF19 = 25mm, SF40 = 38mm, SF60 = 63mm); at right angles to the rafters. Always apply battens around window reveals.

“Duet” Insulation

Pitched Roof Duet
Pitched Roof Duet

How to Install

Apply SuperFOIL directly to the rafters from the roll either horizontally or vertically .

For the Over rafter layer start at the bottom and work up the roof overlapping at each junction. For the under rafter layer start at the high point and work down, overlapping at each junction as you add the layers.

Apply tension to the SuperFOIL as you staple in place; staple into the rafters with staples inserted at regular intervals, 50mm to 100mm spacing is recommended. Cut to length and fix the next layer.

Overlap all joints by a minimum of 50mm and staple onto the rafters where the joint crosses the rafter. Seal all joints using SuperFOIL tape.

At the eaves trim SuperFOIL around the rafters and seal to either the wall plate or the Cavity wall insulation if present.

Apply tape to any tears, cuts or joints.

Then Install a batten to create an air space. For the over layer, fix a breather membrane to the batten; Follow with a tile batten and tiles. For the under rafter layer fix your plasterboard

With a “Duet” installation a vapour check control layer is recommended to be fitted behind the plasterboard, to reduce the risk of interstitial condensation

To fix plasterboard when using SuperFOIL under rafters. Install battens sized according to the product used (SF19 = 25mm, SF40 = 38mm, SF60 = 63mm); at right angles to the rafters. Always apply battens around window reveals.

Flat Roof Insulation

Flat Roof Over Joists

Flat Roof Under Joists

How to Install

Apply SuperFOIL directly to the rafters from the roll either horizontally or vertically .

For the Over rafter layer start at the bottom and work up the roof overlapping at each junction. For the under rafter layer start at the high point and work down, overlapping at each junction as you add the layers.

Apply tension to the SuperFOIL as you staple in place; staple into the rafters with staples inserted at regular intervals, 50mm to 100mm spacing is recommended. Cut to length and fix the next layer.

Overlap all joints by a minimum of 50mm and staple onto the rafters where the joint crosses the rafter. Seal all joints using SuperFOIL tape.

At the eaves trim SuperFOIL around the rafters and seal to either the wall plate or the Cavity wall insulation if present.

Apply tape to any tears, cuts or joints.

Then Install a batten to create an air space. For the over layer, fix a breather membrane to the batten; Follow with a tile batten and tiles. For the under rafter layer fix your plasterboard

With a “Duet” installation a vapour check control layer is recommended to be fitted behind the plasterboard, to reduce the risk of interstitial condensation

To fix plasterboard when using SuperFOIL under rafters. Install battens sized according to the product used (SF19 = 25mm, SF40 = 38mm, SF60 = 63mm); at right angles to the rafters. Always apply battens around window reveals.