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.

Mold Resistant Board Insulation

47 results

Insulfoam R- 1.88 , 0.5-in x 4-ft x 8-ft Faced Expanded polystyrene Board Insulation
Energy Star Qualified

Insulfoam 

R- 1.88 , 0.5-in x 4-ft x 8-ft Faced Expanded polystyrene Board Insulation

Find My Store

for pricing and availability

4.5
747
R- 3.9 , 1-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

 

R- 3.9 , 1-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

Find My Store

for pricing and availability

4.5
773
R- 2.9 , 0.75-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

 

R- 2.9 , 0.75-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

Find My Store

for pricing and availability

4.5
618
Insulfoam R- 7.7 , 2-in x 4-ft x 8-ft Faced Expanded polystyrene Board Insulation
Energy Star Qualified

Insulfoam 

R- 7.7 , 2-in x 4-ft x 8-ft Faced Expanded polystyrene Board Insulation

Find My Store

for pricing and availability

4.5
804
STYROFOAM Residential Sheathing R- 2.75 , 0.55-in x 4-ft x 8-ft Faced Polystyrene Board Insulation
Energy Star Qualified

STYROFOAM 

Residential Sheathing R- 2.75 , 0.55-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

Find My Store

for pricing and availability

4.3
51
Perma "R" Products R- 7.8 , 2-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

Perma "R" Products 

R- 7.8 , 2-in x 4-ft x 8-ft Faced Polystyrene Board Insulation

Find My Store

for pricing and availability

4.5
274
Insulfoam Garage Door Insulation Kit R- 4.8 , 1.25-in x 1.6875-ft x 8-ft Faced Polystyrene Board Insulation

Insulfoam 

Garage Door Insulation Kit R- 4.8 , 1.25-in x 1.6875-ft x 8-ft Faced Polystyrene Board Insulation

Find My Store

for pricing and availability

4.5
973
Owens Corning FOAMULAR NGX F-150 R- 5 , 1-in x 4-ft x 8-ft Unfaced Polystyrene Board Insulation
Energy Star Qualified

Owens Corning 

FOAMULAR NGX F-150 R- 5 , 1-in x 4-ft x 8-ft Unfaced Polystyrene Board Insulation

Find My Store

for pricing and availability

4.7
130