LP® SmartSide® Soffit
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Our LP® SmartSide® Vented Soffit provides ventilation without the hassle of cutting or installing vents. It has the look of natural cedar, but resists fungal decay and termites with our proprietary SmartGuard® process.
Lets Air In. Keeps Bees Out.
The vented soffit in the Architectural Collection provides 10 square inches of ventilation per linear foot, which is more than is required by most building codes. Yet the precision-cut vents measure only 1/8 inch wide — code minimum — which keeps out insects like hornets and honeybees.
Primed for Beauty

All LP SmartSide soffits are pre-primed and ready to be painted. And we designed the vented soffit of the Architectural Collection to prevent paint build-up from blocking the vents.
Precision Series: Cut-to-Width to save time ripping boards.
Architectural Collection: Cut-to-Width Vented soffit.
Architectural
Collection
Smooth and Cedar Vented Soffit



Strand Substrate
| Length |
Nominal Width |
Nominal Thickness |
Actual Width |
Actual Thickness |
| 16' (192") (4877 mm) |
8" |
3/8" |
7.938'' (202 mm)
|
.333'' (8 mm)
|
| 16' (192") (4877 mm) |
12" |
3/8" |
11.938" (303 mm) |
.333'' (8 mm) |
| 16' (192") (4877 mm) |
16" |
7/16" |
15.938" (405 mm) |
.372" (9 mm) |
| 16' (192") (4877 mm) |
24" |
7/16" |
23.938" (608 mm) |
.372" (9 mm) |
Precision Series Cedar Soffit



Strand Substrate
| Length |
Nominal Width |
Nominal Thickness |
Actual Width |
Actual Thickness |
| 8' (96") (2438 mm) |
48" |
3/8" |
47 7/8" (1216 mm) |
.325" (8 mm) |
| 8' (96") (2438 mm) |
48" |
7/16" |
47 7/8" (1216 mm) |
.372" (9 mm) |
| 8' (96") (2438 mm) |
48" |
19/32" |
47 7/8" (1216 mm) |
.535" (14 mm) |
| 16' (192") (4877 mm) |
8" |
3/8" |
7.938'' (202 mm)
|
.333'' (8 mm)
|
| 16' (192") (4877 mm) |
12" |
7/16" |
11.93" (303 mm) |
.372" (9 mm) |
| 16' (192") (4877 mm) |
12" |
3/8" |
11.93" (303 mm) |
.333" (8 mm) |
| 16' (192") (4877 mm) |
16" |
3/8" |
15.93" (405 mm) |
.333" (8 mm) |
| 16' (192") (4877 mm) |
24" |
3/8" |
23.93" (405 mm) |
.333" (8 mm) |
Precision Series Smooth Soffit



Strand Substrate
| Length |
Nominal Width |
Nominal Thickness |
Actual Width |
Actual Thickness |
| 8' (96") (2438 mm) |
48" |
3/8" |
47 7/8" (1216 mm) |
.325" (8 mm) |
| 8' (96") (2438 mm) |
48" |
7/16" |
47 7/8" (1216 mm) |
.372" (9 mm) |
| 16' (192") (4877 mm) |
8" |
3/8" |
7.938'' (202 mm)
|
.333'' (8 mm)
|
| 16' (192") (4877 mm) |
12" |
3/8" |
11.93" (303 mm) |
.333" (8 mm) |
| 16' (192") (4877 mm) |
16" |
3/8" |
15.93" (405 mm) |
.333" (8 mm) |
| 16' (192") (4877 mm) |
24" |
3/8" |
23.93" (405 mm) |
.333" (8 mm) |
Foundations Cedar Soffit



Fiber Substrate
| Length |
Nominal Width |
Nominal Thickness |
Actual Width |
Actual Thickness |
| 8' (96") (2438 mm) |
48" |
7/16" |
48" (1219 mm) |
.400" (10 mm) |
| 9' (108") (2743 mm) |
48" |
7/16" |
48" (1219 mm) |
.400" (10 mm) |
Foundations Smooth Soffit



Fiber Substrate
| Length |
Nominal Width |
Nominal Thickness |
Actual Width |
Actual Thickness |
| 8' (96") (2438 mm) |
48" |
7/16" |
48" (1219 mm) |
.400" (10 mm) |
| 9' (108") (2743 mm) |
48" |
7/16" |
48" (1219 mm) |
.400" (10 mm) |