AT1011-5.5-24 Smooth Half-Round HDP Urethane Arch Trim - 24" Opening
- SKU:
- AT1011-5.5-24
- MPN:
- AT1011-5.5-24
- Condition:
- New
- Availability:
- Ships 7-10 Days From Order
- Shipping:
- Calculated at Checkout
Description
AT1011-5.5-24 Smooth Half-Round Arch Trim — 24" Opening
Finish a half-round window or arched doorway with Spectis AT1011-5.5-24 smooth arch trim. This primed high density polyurethane (HDP) arch has a clean, flat face, a 5½" trim width and a 1" projection. Pair it with matching MD1011-5.5 straight trim and an optional K2730 keystone to create a coordinated window or entrance surround.
24" Inside Diameter
Designed for a 24" half-round opening. Confirm the opening shape and dimensions against the product drawing.
Smooth Flat Profile
5½" face width and 1" projection, matching MD1011-5.5 flat trim.
Primed HDP Urethane
Decorative polyurethane arch trim supplied primed and ready for paint.
Made to Order
Confirm all dimensions before ordering. This made-to-order product is nonreturnable.

How to Read the Size
The 24" dimension is the inside opening diameter, measured between the inner edges at the base. The trim is 5½" wide around the curve. Overall dimensions are 35" wide × 17.5" high × 1" projection. The 5½" trim width is not the overall arch height.
AT1011-5.5-24 at a Glance
Style: Smooth half-round archInside diameter: 24"
Trim face width: 5½"
Overall width / height: 35" / 17.5"
Projection: 1"
Material: High density polyurethane (HDP)
Finish: Primed, ready to paint
Matching trim: MD1011-5.5
Matching keystone: K2730
See the Moulding Profile
The profile-detail panel beneath the arch shows matching MD1011-5.5 straight trim at an angle, with its flat face and rectangular end visible. This smooth, 5½"-wide trim continues the arch profile down the sides of the opening.
Complete the Arch Surround
These matching components are identified in the Spectis catalog. Straight trim continues the arch profile down the sides of the opening; the optional keystone adds a center accent. Matching trim and keystones are sold separately. Check the component drawings and installation arrangement before ordering.
Matching Straight Trim
MD1011-5.5 Smooth Flat Trim1" projection × 5½" face width × 144" length. Matches this arch’s smooth profile and trim width.
Shop Matching Trim ›Matching Keystone
K2730 Urethane KeystoneThe catalog-listed keystone for AT1011-5.5 arches. Use it as an optional center detail for a coordinated surround.
Shop K2730 Keystone ›Other Profiles for Your 24" Opening
Keep the same 24" inside opening diameter and choose a different moulding profile or trim width. Wider trim changes the overall outside dimensions. Select a profile below to view its details and matching components.
Installation & Finish
Dry-fit the arch and matching components before fastening. Follow Spectis installation instructions, including the requirement to use Spectis adhesive on all bedding and butt joints. Secure the trim as directed, finish the joints and fastener holes, and paint after installation. This arch is decorative and is not a structural support.
Read the decorative half-round arch installation guideShipping
This one is 48 inches or shorter, so it can ship UPS.
A piece the carrier will not take as a parcel goes LTL freight to a verified commercial address a 52-foot trailer can pull into. A house with a business in it does not qualify.
If the carrier calls the address a residence, a $275 fee is added, and you get a confirmation letter so you can correct the address or pay the extra freight.
The order goes to the Spectis plant in Manitoba the same day. Shipping from Canada typically takes two to three weeks.
Drawings & Resources
Product Drawing
Review the exact opening, overall dimensions and profile before ordering.
View AT1011-5.5-24 Drawing (PDF) ›
Spectis Catalog
See arch profiles and matching component information on catalog pages 122–123.
Open Spectis Catalog ›
Works with AT1011-5.5-24 — complete the look
Spectis parts made to go with this item, from the Spectis catalog and product drawings.
Each part is sold separately. Confirm profiles and dimensions against the drawings before ordering.
Questions
Which straight trim matches this arch?
MD1011-5.5 smooth flat trim matches the 1-inch projection and 5½-inch face width of AT1011-5.5-24.
Which keystone goes with AT1011-5.5-24?
The Spectis catalog lists K2730 as the matching keystone for the AT1011-5.5 arch family. It is sold separately.
Does 24 inches mean the overall width?
No. 24 inches is the inside opening diameter. The overall width is 35 inches: the 5½-inch trim on both sides plus the opening. The arch is 17.5 inches high with a 1-inch projection.
Are the matching trim and keystone included?
No. This listing is for the arch trim. Matching straight moulding and the optional keystone are purchased separately.
Can I return this arch?
This arch is made to order and is nonreturnable. Confirm the drawing, opening size and profile before ordering.
Not sure this arch trim fits the opening? Weekdays, 8 a.m. to 6 p.m. Eastern.
800-986-1250 sales@spectis.usBuilders, 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.


