Faithfull
Faithfull Heavy-Duty Mastic Gun 425ml FAIMGHD
Model FAIMGHD
Best price
Where to buy
| Retailer | Price | Availability | Visit |
|---|---|---|---|
| Cheapestchecked 23 hours ago | £9.06 | In stock | Visit Blueperry agriculture (UK) (opens in a new tab) |
 retailer's price from 16 Jul 2026 | £10.65 | In stock | Visit Blueperry Tool & Builders Merchants (UK) (opens in a new tab) |
 checked within the hour | £10.95£13.72 | In stock | Visit Tooled Up (opens in a new tab) |
Prices exclude delivery. We may earn a commission if you buy through these links, which never affects the ranking above — it is always cheapest first.
Price history
Full price historyToday's price is above the 53-day average and 4% above the lowest we have recorded, so it may be worth waiting.
About this product
This Faithfull heavy-duty mastic gun is a professional applicator for dispensing sealants and adhesives on site. It is built from heavier gauge steel throughout for durability, with a double spring ratchet mechanism giving positive, precise sealant feed when the trigger is pulled and an instant return on release. The larger handle has ribbed finger grips offering 360° comfort during extended use, and a nozzle cleaning pin is built into the handle for convenient maintenance. It accepts all standard size adhesive and sealant cartridges up to 425ml, with a 285mm barrel to suit full-size cartridges, making it suitable for decorators, plumbers and general contractors working with silicone sealants, foams and construction adhesives.
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