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.

Polystyrene Window & Door Moulding

56 results

Inteplast Group Building Products 9/16-in x 2-1/8-in x 7-ft Finished Polystyrene 8350 Casing

Inteplast Group Building Products 

9/16-in x 2-1/8-in x 7-ft Finished Polystyrene 8350 Casing

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for pricing and availability

4.5
105
Common Size:9/16-in T x 2-1/8-in W x 7-ft L
Actual Size:0.562-in T x 2.125-in W x 7-ft L
Inteplast Group Building Products 3/8-in x 1-1/4-in x 7-ft Finished Polystyrene Stop

Inteplast Group Building Products 

3/8-in x 1-1/4-in x 7-ft Finished Polystyrene Stop

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for pricing and availability

4.7
18
Common Size:3/8-in T x 1-1/4-in W x 7-ft L
Actual Size:0.375-in T x 1.25-in W x 7-ft L
TRIMFINITY 1/2-in x 2-1/2-in x 7-ft Finished Polystyrene Casing

TRIMFINITY 

1/2-in x 2-1/2-in x 7-ft Finished Polystyrene Casing

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for pricing and availability

3.7
7
Common Size:1/2-in T x 2-1/2-in W x 7-ft L
Actual Size:0.5-in T x 2.5-in W x 7-ft L
Inteplast Group Building Products 7/16-in x 1-15/16-in x 7-ft Finished Polystyrene 6113 Casing

Inteplast Group Building Products 

7/16-in x 1-15/16-in x 7-ft Finished Polystyrene 6113 Casing

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for pricing and availability

4.6
38
Common Size:7/16-in T x 1-15/16-in W x 7-ft L
Actual Size:0.438-in T x 1.938-in W x 7-ft L
Inteplast Group Building Products 3/16-in x 15/16-in x 8-ft Finished Polystyrene Bead

Inteplast Group Building Products 

3/16-in x 15/16-in x 8-ft Finished Polystyrene Bead

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for pricing and availability

Common Size:3/16-in T x 15/16-in W x 8-ft L
Actual Size:0.1875-in T x 0.937-in W x 8-ft L
TRIMFINITY 11/16-in x 2-1/4-in x 7-ft Finished Polystyrene Casing

TRIMFINITY 

11/16-in x 2-1/4-in x 7-ft Finished Polystyrene Casing

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for pricing and availability

3.7
6
Common Size:11/16-in T x 2-1/4-in W x 7-ft L
Actual Size:0.8125-in T x 2.25-in W x 7-ft L
Inteplast Group Building Products 1-3/8-in x 1-3/8-in x 7-ft Finished Polystyrene Stop

Inteplast Group Building Products 

1-3/8-in x 1-3/8-in x 7-ft Finished Polystyrene Stop

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for pricing and availability

4.0
1
Common Size:1-3/8-in T x 1-3/8-in W x 7-ft L
Actual Size:0.375-in T x 1.3125-in W x 7-ft L
Inteplast Group Building Products 0.5-in x 36-in x 80-in Painted Polystyrene Interior Door Casing Kit

Inteplast Group Building Products 

0.5-in x 36-in x 80-in Painted Polystyrene Interior Door Casing Kit

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for pricing and availability

4.7
7