If you are planning to install mineral wool insulation on the interior side of the roof sheathing you will need to include a ventilation channel between the top of the insulation and the underside of the roof sheathing.
Roxul roof deck.
Roxul toprock dd is intended for commercial and industrial roof insulation applications and is suitable for both new building and re roofing.
For a vented system rockwool comfortbatt can be installed between the roof rafters with a 1 air space at the underside of the roof deck.
Toprock dd is a noncombustible product with a melting point of approximately 2150 f 1177 c which gives it excellent fire resistance properties.
Toprock dd is a suitable substrate board for all low slope roof decks and is compatible as the substrate for mechanically attached membrane systems.
It features a unique flexible edge designed to compress as the batt is inserted then spring back expanding the batt against the frame studs to give a complete fill.
An air permeable insulation like mineral wool cannot be installed between rafters if the assembly is unvented.
Roxul safe is ul and intertek approved as a forming material for numerous firestop systems.
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Roxul stone wool insulation products are specifically designed and manufactured for the roofing industry.
Our insulation products are sustainable and high quality but they perform best when the right solution is used for the right application.
Insulating a roof is an effective way to minimise heat loss and reduce heating bills.
The air space reduces risk of condensation on the underside of the deck and can help prevent ice dams from forming.
The product can be used as either a base layer of thermal insulation in an acoustic assembly with toprock dd plus or as the top layer of a hybrid roof assembly with polyisocyanurate or other roof.
Increase the value of your roof assembly.
They provide the optimal combination of insulation value fire resistance dimensional stability and acoustic performance.
Roxul toprock dd is a rigid mineral wool insulation board with a rigid upper surface for durability and enhanced strength.
It has excellent acoustic properties.
Rockwool comfortbatt is a semi rigid stone wool batt insulation for exterior wood and steel stud applications in both new construction and renovations.
Both are compatible with most roofing systems air vapor barriers membranes fasteners and various adhesives.
Rockwool multifix reduces the number of layers required while improving the performance of your entire assembly.
Both vented and unvented ceilings can be designed using stone wool.
This product is designed to fill perimeter gaps between concrete floor slabs and exterior wall systems between firewalls and ceiling slabs and around conduit pipes and duct openings through walls and floor slabs.