Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Top Rated Board Insulation

27 results

Kingspan Insulation R- 5 , 1-in x 4-ft x 8-ft Unfaced Foam Board Insulation

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for pricing and availability

4.6
82

 R- 1-in x 4-ft x 8-ft Expanded polystyrene

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for pricing and availability

4.6
734
Energy Star Qualified

ROCKWOOL Comfortboard 80 R- 6.3 , 1.5-in x 2-ft x 4-ft Unfaced Mineral wool with Sound Barrier Board Insulation

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for pricing and availability

4.7
90
Energy Star Qualified

GreenGuard R- 5 , 1-in x 2-ft x 2-ft Unfaced Foam Board Insulation

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for pricing and availability

4.7
175

 R- 0.75-in x 4-ft x 8-ft Expanded polystyrene

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for pricing and availability

4.6
734

 R- 1.5-in x 4-ft x 8-ft Expanded polystyrene

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for pricing and availability

4.6
734
Energy Star Qualified

STYROFOAM Residential Sheathing R- 3.9 , 0.78-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

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for pricing and availability

4.9
28
Energy Star Qualified

Owens Corning FOAMULAR NGX F-150 R- 7.5 , 4-ft x 8-ft Unfaced Polystyrene Board Insulation

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for pricing and availability

4.7
99