Template:Materials - Insulation Overlay (High-density)

Click on a manufacturer's name to see the full list of their products accepted for use in the RoofStar Guarantee Program. NOTE: materials linked to Tested Assembly tables may be displayed separately or located only in Tested Assembly reports. This table is currently under further revision.
Manufacturer	Product Name	System Test Type (Wind)	Thickness - mm (in.)	Dimensions - m (ft)	Compressive Strength (kPa)	Compressive Strength (psi)	Thermal Resistance (RSI/25.4 mm)	Thermal Resistance (R/inch)	Type
Carlisle Syntec Systems Canada	SecurShield HD Plus	MARS	12.7 (1/2)	1.22 x 2.44 (4 x 8)	690	100	TBA	2.5	High-density polyisocyanurate insulation cover board
Firestone Building Products	ISOGARD HD	MARS PARS AARS	12.7 (1/2)	‒	‒	TBA	TBA	TBA	Polyisocyanurate Composite
IKO Industries Ltd.	IKOTherm Covershield	‒	12.7 (1/2)	1.22 x 2.44 (4x8)	90	620	0.44	2.5	High-compressive strength polyisocyanurate
Johns Manville Corporation	Retrofit Board	‒	13 (1/2)	0.61 x 1.22, 1.22 x 1.22, 1.22 x 2.44 (2x4, 4x4, 4x8)	255	37	0.46	2.64	Perlitic Roof Board
Johns Manville Corporation	Invinsa Roof Board	‒	6.4 (1/4)	1.22 x 1.22, 1.22 x 2.44 (4x4, 4x8)	1034	150	TBA	1	High-density polyisocyanurate/mineral composite
Posi-Slope Western	MF (Protect Board Composite)	‒	‒	0.60 x 1.2, 0.90 x 1.2 (2 x 4, 3 x 4)	‒	‒	0.7	4	Mineral Fibre/Asphaltic Composite