Sidelite Adapter (for High Dam thresholds, 10-36" width)
Get the right size
Check what you need before you order with our step-by-step installation guides.
See the installation guidesStill unsure? With Guaranteed Fit, a door expert confirms your size before you order. How it works
Estimated delivery
Ships the same or next business day, then 2 to 4 business days with ground shipping.
How we estimate
Most in-stock items that need no shop work leave our warehouse the same or next business day. Ordering by 12 pm Eastern, Monday to Friday, gives yours the best chance of shipping the same day.
Shop work starts once everything is in stock: trimming, cutting or prep takes 1 business day, finishing (priming, painting or staining) 1 to 3, and assembly, such as a prehung door system, 2 to 5. Out-of-stock items without a restock date usually ship in about 2 weeks, plus any shop work.
Ground parcels take 2 to 4 business days. Doors, sidelites and other large items go by freight: Priority Freight takes 2 to 5 business days and economy freight 7 to 15; you choose at checkout. Weekends and carrier holidays aren't counted. These are estimates, not guarantees.
5-year limited warranty. Details
- 30-day returns if unused and in the original packaging. Return policy
- Questions about fit? Call or text a door expert at 513-871-8907.
Sidelite adapter to convert our high-dam thresholds for use in sidelite panels. Adapter (also known as a seat, spacer, or riser) replaces the threshold rail and supports and seals the sidelite panel which rests on top. Most common sizes are 10" (for a 9 7/8" panel), 12" (for a 11 7/8" panel) and 14" (for a 13 7/8" panel). In general, we recommend the riser be 1/8" larger than the true width of the panel.
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This product carries a 5-year limited warranty against defects in materials and workmanship, from the date you buy it. Coverage is full for the first year, then prorated.
- Install it as the manufacturer directs, in the USA. Damage from improper installation, storage or modification isn't covered.
- To claim, use the form on our warranty page within 60 days of finding the defect, with your order number.
Shipping
Ships by ground parcel with UPS, FedEx or USPS: 2 to 4 business days once it leaves us. Tell us about any shipping damage within 15 days of delivery.
Free pickup at our Cincinnati warehouse is available at checkout.
Returns
Return it within 30 days of delivery if it's unused, uninstalled and in its original packaging. Return shipping is yours to pay. Start a return in our returns portal.
Get it right the first time
Questions before you order?
- MeasureMeasuring guidesSlab, door system, glass and weatherstrip measurements, step by step.Read the guides
- Guaranteed FitHave us confirm your fitSend your measurements and a photo. We confirm the product that fits before you order.Check my fit
- Talk to usCall or text 513-871-8907Talk to the same team that builds and ships your order.Contact us
