---
product_id: 406162274
title: "Platinum HT-B Self-Adhering Roofing Underlayment, 41 mil, High-Temp Ice & Water Shield, 100% Butyl, Nail Sealable, UV Resistant, ASTM Certified, Lifetime Warranty (36\" x 67')"
brand: "ft synthetics"
price: "₪1850"
currency: ILS
in_stock: true
url: https://www.desertcart.co.il/products/406162274-platinum-ht-b-self-adhering-roofing-underlayment-41-mil-high
store_origin: IL
region: Israel
---

# 41 mil thickness for ultimate durability 180-day UV resistance for long-lasting protection Nail sealable, exceeds ASTM D1970 standards Platinum HT-B Self-Adhering Roofing Underlayment, 41 mil, High-Temp Ice & Water Shield, 100% Butyl, Nail Sealable, UV Resistant, ASTM Certified, Lifetime Warranty (36" x 67')

**Brand:** ft synthetics
**Price:** ₪1850
**Availability:** ✅ In Stock

## Summary

> 🏆 Elevate your roofing game with Platinum HT-B – where durability meets innovation!

## Quick Answers

- **What is this?** Platinum HT-B Self-Adhering Roofing Underlayment, 41 mil, High-Temp Ice & Water Shield, 100% Butyl, Nail Sealable, UV Resistant, ASTM Certified, Lifetime Warranty (36" x 67') by ft synthetics
- **How much does it cost?** ₪1850 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.il](https://www.desertcart.co.il/products/406162274-platinum-ht-b-self-adhering-roofing-underlayment-41-mil-high)

## Best For

- ft synthetics enthusiasts

## Why This Product

- Trusted ft synthetics brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Weather Adhesion:** Butyl adhesive bonds from 32°F to 265°F for year-round reliability
- • **Unmatched Durability:** 41 mil thickness ensures robust, long-lasting roof protection
- • **Lifetime Peace of Mind:** Backed by a limited lifetime warranty and 180-day UV resistance
- • **Slip-Resistant Surface:** Patented Gripsot tech keeps your crew safe on steep slopes
- • **Pro-Grade Nail Sealable:** Exceeds ASTM standards for secure, watertight installation

## Overview

The Platinum HT-B Self-Adhering Roofing Underlayment is a premium 41 mil thick, high-temperature waterproof membrane featuring 100% butyl adhesive for superior bonding to plywood or OSB decks. It is nail sealable, UV resistant for 180 days, and compatible with various roofing materials including metal and shingles. Designed with patented anti-slip technology and backed by a limited lifetime warranty, it delivers professional-grade protection and installation ease for steep slope roofing projects.

## Description

Platinum HT-B Self-Adhering Roofing Underlayment, 41 mil, High-Temp Ice & Water Shield, 100% Butyl, Nail Sealable, UV Resistant, ASTM Certified, Lifetime Warranty (36" x 67')

## Features

- 100% butyl provides bond to plywood or OSB roof decks
- Compatible with low slope roofing materials such as EPDM and TPO
- Nail sealable (meets and exceeds ASTM D1970)
- Watertight laps
- Shelf life of 18+ months
- Split release silicone liner
- 180 day UV resistance & Limited Lifetime Warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | FT Synthetics |
| Part Number | FTHTBSA |
| Item Weight | 40 pounds |
| Product Dimensions | 7 x 7 x 48 inches |
| Item model number | 963000 |
| Color | Blue |
| Shape | Roll |
| Thickness | 41 Millimeters |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Platinum HT-B Self-Adhering Roofing Underlayment, 41 mil, High-Temp Ice & Water Shield, 100% Butyl, Nail Sealable, UV Resistant, ASTM Certified, Lifetime Warranty (36" x 67') - Image 1](https://m.media-amazon.com/images/I/61XjdMjRDUL.jpg)

## Available Options

This product comes in different **Item Package Quantity** options.

## Frequently Bought Together

- FT Synthetics Platinum HT Butyl Self Adhering Underlayment (Single Roll)
- ZIP System Huber Flashing Tape | Self-Adhesive Flashing for Doors-Windows Rough Openings (3.75" x 30')

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**Shop now:** [https://www.desertcart.co.il/products/406162274-platinum-ht-b-self-adhering-roofing-underlayment-41-mil-high](https://www.desertcart.co.il/products/406162274-platinum-ht-b-self-adhering-roofing-underlayment-41-mil-high)

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*Product available on Desertcart Israel*
*Store origin: IL*
*Last updated: 2026-01-31*