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Retrofit Windows

446 results

Retrofit windows are replacement window units that update existing frames to improve comfort, curb appeal and energy performance in your home. Explore window styles and sash configurations, frame materials and colors, glass options, dimensions for a precise fit and installation approaches from insert replacement to full-frame upgrades at Lowe’s so you can match your siding, trim and interior décor with confidence.

Project Source 10001 Series Left-Handed White Vinyl Sliding Window with Single Strength Glass (Half Screen Included)
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for pricing and availability

4.5
150
Rough Opening Size (W x H):36-in x 36-in
Obscure Glass:No
RELIABILT 14500 Series Left-Handed White Vinyl Sliding Window with Double Strength Glass (Half Screen Included)
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for pricing and availability

4.4
190
Rough Opening Size (W x H):48-in x 48-in
Obscure Glass:No
JELD-WEN V-2500 Left-Handed White Vinyl Sliding Window with Double Strength Glass (Full Screen Included)
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for pricing and availability

4.0
25
Rough Opening Size (W x H):36-in x 12-in
Obscure Glass:Yes
JELD-WEN V-2500 Left-Handed Vinyl Sliding Window with Double Strength Glass (Full Screen Included)
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for pricing and availability

3.7
168
Rough Opening Size (W x H):96-in x 48-in
Obscure Glass:No