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 Moulding & Millwork

518 results

TRIMFINITY 1-in T x 1-in W x 144-in L White Polystyrene Outside Corner Guard

TRIMFINITY 

1-in T x 1-in W x 144-in L White Polystyrene Outside Corner Guard

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5.0
2
Inteplast Group Building Products 3/8-in x 1-3/8-in x 7-ft Finished Polystyrene Stop

Inteplast Group Building Products 

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

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4.4
30
Common Size: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 1/2-in x 2-1/2-in x 8-ft Black Traditional Finished Polystyrene Baseboard Moulding

Inteplast Group Building Products 

1/2-in x 2-1/2-in x 8-ft Black Traditional Finished Polystyrene Baseboard Moulding

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5.0
1
Common Size:1/2-in T x 2-1/2-in H x 8-ft L
Actual Size:0.5-in T x 2.5-in H x 8-ft L
Orac Decor 4-5/8-in T x 6-3/8-in W x 78-in L Primed Polystyrene Crown Moulding 9 -Pack

Orac Decor 

4-5/8-in T x 6-3/8-in W x 78-in L Primed Polystyrene Crown Moulding 9 -Pack

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Common Size:4-5/8-in T x 6-3/8-in W x 78-in L
Actual Size:4.625-in T x 6.375-in W x 6.5-in L
Use Location:Indoor
TRIMFINITY 1/2-in x 3-1/4-in x 8-ft Traditional Finished Polystyrene Baseboard Moulding

TRIMFINITY 

1/2-in x 3-1/4-in x 8-ft Traditional Finished Polystyrene Baseboard Moulding

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5.0
11
Common Size:1/2-in T x 3-1/4-in H x 8-ft L
Actual Size:0.515-in T x 3.25-in H x 8-ft L
Inteplast Group Building Products 9/16-in x 2-1/8-in x 7-ft Finished Polystyrene 350 Casing

Inteplast Group Building Products 

9/16-in x 2-1/8-in x 7-ft Finished Polystyrene 350 Casing

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4.6
111
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 1-1/16-in x 2-in x 12-ft Traditional Finished Polystyrene Baseboard Moulding

Inteplast Group Building Products 

1-1/16-in x 2-in x 12-ft Traditional Finished Polystyrene Baseboard Moulding

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4.8
5
Common Size:1-1/16-in T x 2-in H x 12-ft L
Actual Size:0.69-in T x 2-in H x 12-ft L
Orac Decor 78-in Primed Polyurethane Crown Moulding

Orac Decor 

78-in Primed Polyurethane Crown Moulding

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3.5
4
Common Size:3-3/8-in T x 4-3/4-in W x 78-in L
Actual Size:3.375-in T x 4.75-in W x 6.5-in L,3.375-in T x 5-in W x 6.5-in L
Use Location:Indoor