Heavy gauge aluminum with construction Grade vinyl on the interior;Features a thermo-barrier design to prevent cold temperature transfers;Low rug, fixed sill design allows you to use on heights up to 3/4 in;Silver sill adds a beautiful look to your entry door

• Frost King TS36A 5-5/8 x 1-3/16/3' Aluminum and Vinyl Sill Threshold, Mill Finish
• 3' L x 5-5/8" W
• Mill Finish

Frost King TS36A 5-5/8 x 1-3/16/3' Aluminum and Vinyl Sill Threshold, Mill FinishFrost King