---
product_id: 451087064
title: "Premium Clear Felt Seal - 500ml - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply"
brand: "polar specialist coatings"
price: "€ 92.44"
currency: EUR
in_stock: true
reviews_count: 5
category: "Polar Specialist Coatings"
url: https://www.desertcart.pt/products/451087064-premium-clear-felt-seal-500ml-instant-waterproof-roof-sealant-ideal
store_origin: PT
region: Portugal
---

# Instant waterproof membrane One coat, fast drying Reinforced fiber durability Premium Clear Felt Seal - 500ml - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply

**Brand:** polar specialist coatings
**Price:** € 92.44
**Availability:** ✅ In Stock

## Summary

> 💧 Seal it once, forget it forever!

## Quick Answers

- **What is this?** Premium Clear Felt Seal - 500ml - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply by polar specialist coatings
- **How much does it cost?** € 92.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/451087064-premium-clear-felt-seal-500ml-instant-waterproof-roof-sealant-ideal)

## Best For

- polar specialist coatings enthusiasts

## Why This Product

- Trusted polar specialist coatings brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Fast-Drying Formula:** Touch dry in just 3-4 hours for rapid project turnaround.
- • **Effortless Application:** No primer needed—brush or roller on and go.
- • **Instant Waterproof Seal:** Stop leaks on contact with a single, powerful coat.
- • **Tailored for Felt Roofs:** Specifically engineered for flat or pitched felt surfaces on sheds and garages.
- • **Reinforced Fiber Strength:** Durable, long-lasting protection that stands up to the elements.

## Overview

Polar Specialist Coatings Premium Clear Felt Seal is a 500ml instant waterproof sealant designed for flat or pitched felt roofs, sheds, and garages. It forms a durable, fiber-reinforced membrane with just one coat, drying within 3-4 hours without the need for primer. Ideal for emergency repairs and long-lasting protection against leaks and dampness.

## Description

Polar waterproofing sealant paint for weathered and torn feltif water is getting in, felt seal will keep it out. Just one coat to exposed areas waterproofs them instantly.Feltseal is a waterproofing sealant paint for weathered and torn felt.Ideal for use on sheds and garages.Feltseal is available in black, grey and clear - 500 ml and 1 litre.

Review: Easy to apply and effective. I treated a small felt roof on a garden cupboard but you would probably need two cans to treat a decent-sized garden shed.
Review: Installed easy & work well, also dries quickly

## Features

- WATERPROOF SEAL - The ideal solution for instantly and fully waterproof sealant on emergency leaks or cracks. Apply to the affected surface area of the felt roof, whether garage or shed, to instantly seal. Forms a waterproof membrane to keep damp and water out.
- ONE COAT REPAIR - Don’t waste anytime sealing cracks or leaks. Polar FeltSeal works in just one coat. Developed to give instant repair on flat or pitched felt roofs, apply with a brush or roller for optimal waterproof protection. 500ml covers up to 0.5㎡.
- INSTANT PROTECTION - Specially formulated with reinforced fibres that interlace to give tough, durable and instant protection. Ideal for emergency repair or maintenance work on drain pipes, gutters and roofs. Gives long lasting protection to cracked or leaked surfaces, once fully dried and cured.
- EASY TO APPLY - No primer is needed prior to application of Polar FeltSeal. Apply immediately for instant waterproof protection. Clear the affected area of moss and debris and remove any surface water, oil or grease. Use a brush or roller depending on size of the area affected. Touch dry within 3-4 hours.
- FELT SURFACE SPECIFIC - The ideal solution for instant waterproofing of felt sheds, garages or caravan roofing. Formulated to be surface specific - for optimal performance use on flat or pitched felt roofs. Use Polar LeakSeal for instant waterproof protection on surfaces such as; drainpipes, gutters, asphalt, metal, brick and concrete.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07RSXWGQ5 |
| Best Sellers Rank | #105,647 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #41 in Roof Coatings & Paints |
| Item model number | 4000078-FBA |
| Manufacturer | Polar Specialist Coatings |
| Product Dimensions | 11 x 10 x 11 cm; 600 g |

## Product Details

- **Brand:** Polar Specialist Coatings
- **Item dimensions L x W x H:** 11 x 10 x 11 centimeters
- **Item weight:** 600 Grams
- **Material:** felt
- **Style:** 500ml

## Images

![Premium Clear Felt Seal - 500ml - Instant Waterproof Roof Sealant - Ideal for Flat or Pitched Felt, Shed & Garage Roofs - Easy to Apply - Image 1](https://m.media-amazon.com/images/I/71mr+hJCsaL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by A***R on 9 November 2025*

Easy to apply and effective. I treated a small felt roof on a garden cupboard but you would probably need two cans to treat a decent-sized garden shed.

### ⭐⭐⭐⭐ Review
*by S***K on 16 December 2024*

Installed easy & work well, also dries quickly

### ⭐⭐⭐⭐⭐ Review
*by L***W on 11 November 2025*

Easy to apply, dried quickly and sealed shed roof nicely. Not bad for the price.

## Frequently Bought Together

- Polar Premium Clear Instant Waterproof Felt Roof Sealant Paint 500ml, Emergency Felt Roof Repair Sealer for All Felt Roofs
- Polar Premium Leak Seal Clear Paint - 500ml - Instant Waterproof Roof Sealant - Ideal for Leaks, Cracks & Roof Repair - Concrete, Brick, Metal, Drainpipes & Gutters - Easy to Apply
- Polar TapeSeal Clear - 4" x 5 ft | Rubberised Waterproof Tape for Leaks & Cracks on Roofs, PVC Pipes, Downpipes, Plumbing & Gutters | All-Purpose Indoor & Outdoor Sealant Tape for Lasting Protection

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---

*Product available on Desertcart Portugal*
*Store origin: PT*
*Last updated: 2026-03-18*