Arch Top Gable Vent 18″ W × 18″ H Closed Louver (LCA1818)
- SKU:
- LCA 1818
- MPN:
- LCA 1818
- Condition:
- New
- Availability:
- Typically Ships within 2-3 weeks from Order Date
- Width:
- 18.00 (in)
- Height:
- 18.00 (in)
- Depth:
- 1.50 (in)
- Shipping:
- Calculated at Checkout
Description
LCA1818 Arch Top Closed Louver
Semicircular arch top with straight sides, a flat bottom and horizontal closed louvers. LCA1818 measures 18″ wide × 18″ high with a 1½″ projection. The closed face is decorative and does not pass air. The primed white surface is ready for finishing.
Designed for a decorative gable
Use on gables, garage peaks or dormer faces where a decorative louver is wanted. This closed model does not provide attic ventilation.
Check the fit
The 18″ × 18″ dimensions describe the outside of the product. Review the CAD drawing and your wall detail to confirm the opening, mounting and fit before ordering.
Installation & finishing
- Follow the Spectis installation instructions and confirm a suitable mounting surface.
- Use PL Premium adhesive on every bedding and butt joint, with the recommended fasteners.
- Finish the factory-primed surface after installation for a consistent appearance. Adhesive, fasteners and finish are sold separately.
LCA1818 at a glance

- Shape
- Semicircular arch top with straight sides, a flat bottom and horizontal closed louvers
- Material
- Polyurethane
- Finish
- Primed white
- Function
- The closed face is decorative and does not pass air.
- Production
- Made to order
Plan your order & delivery
Made for your project
Confirm the shape, dimensions and quantity before purchasing. Made-to-order products cannot be returned.
Production & shipping
The current estimate is typically 2–3 weeks from the order date. Louvers generally ship by UPS; pieces too large for parcel service require LTL freight. Confirm timing and delivery arrangements for your order.
If freight is required
Use a verified commercial address with access for a 52-foot trailer. A home business is considered residential. A $275 fee applies if the carrier classifies the delivery address as residential.
Inspect at delivery
Report damage to the carrier immediately and email sales@spectis.us the same day. Notification within 24 hours is required to qualify items for a claim.
Drawing & dimensions
Review the manufacturer’s CAD drawing before ordering.
LCA1818 CAD drawingFront elevation, side section and dimensionsPDFLCA1818 FAQs
Does LCA1818 provide ventilation?
No. This is a closed decorative louver; the closed face does not pass air.
What shape is this louver?
Semicircular arch top with straight sides, a flat bottom and horizontal closed louvers.
What are the overall dimensions?
18″ wide × 18″ high × 1½″ projection. These are outside product dimensions. Check the CAD drawing for the complete detail.
Does it need painting?
It arrives primed white. Spectis recommends final finishing after installation for the most consistent appearance. Follow the manufacturer’s finishing instructions.
Can I return it?
Made-to-order products cannot be returned. Confirm the drawing, dimensions and function before purchasing.
Which adhesive should I use?
Use PL Premium (PLP100) on all bedding and butt joints, along with recommended fasteners and the Spectis installation instructions.
Need help checking the fit?
Have your measurements and part number LCA1818 ready.
Builders, designers, and customers: if Spectis products or the installation steps are modified, you agree to indemnify, defend, and hold harmless Veritas Products LLC, veritasproducts.com, and spectis.us from any claimed loss or damage, regardless of other instructions.