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.
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