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904 316 Chimney Flue Liner Silvacore 5" 6" German Engineered

Diameter
Grade

Silvacore is created on a German-made machine imported to the UK. Only two brands are made on this beautifully-engineered machine and one of the two brands is Silvacore (the other is Duraflue). "I have Silvacore in my chimney" (Julian Patrick, author of The Stovefitter's Manual).

Customer Reviews

Based on 236 reviews
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Paul Tremble
Very sturdy flue

ORDER #15081 - I bought the SIlvacore (branded Duraflue on packaging) based on a recommendation from a friend who purchased from SFW a couple of years ago. It wasn't the cheapest but I want this to last for many years. I am new to stove fitting but the difference in construction between the old one I removed and the new Silvacore is night and day, the original liner tore/unravelled easily when pulled but the Silvacore is very sturdy and gives the impression it will last for many years. A good feature is that it can be installed either way around, only downside it is very stiff so can be difficult to manipulate when fitting but this feels like a sign of quality! I was also very pleased with the help offered by Julian and the team when I had an installation question -thanks!

T
Timothy Cocking
A sturdy flue product.

When installing a flue you don’t want to cut corners. There is no shortage of cheaper stuff on eBay and the likes but this is a quality product which will pay dividends in the long run. It feels solid and not thin and likely to puncture like other makes. Arrived well wrapped and slipping down into my chimney a breeze without any snagging or issues. It’s just a quality product. It’s worth measuring very accurately how much you need so you don’t under spec the length you need. Highly Recommended

Description

About Silvacore Chimney Liner

Wood burning stove

Silvacore is created on a German-made machine imported to the UK. Only two brands are made on this beautifully-engineered machine and one of the two brands is Silvacore (the other is Duraflue). "I have Silvacore in my chimney" (Julian Patrick, author of The Stovefitter's Manual).

A flue liner is not a product you want to fail within just a few years. Silvacore is designed for professional trade-fitters desiring a premium product for chimney lining.

Silvacore chimney liner is created from TWO compressed stainless-steel layers and this unique laminate stays smooth when the product is passed around chimney bends (with a lesser-quality liner the laminate usually comes apart when dragged through bends - allowing acids from soot deposits to enter and later cause corrosion).

904 and 316 are grades of stainless steel. If you are a heavy user of coal/smokeless fuel then one would be advised to ensure that, as a minimum, the inside layer of your liner is 904 grade.
 
 

Specifications

Quality

Silvacore chimney liner is available in three levels of quality:
316 - wood only, light use

316 (15-year guarantee): suitable for non-eco-design stoves, wood-only fuel use, light use. This liner has an inner core of 316 grade stainless.

Thickness 0.9mm.

904 - light to medium, all fuels

MOST POPULAR CHOICE

904 (30-year guarantee): suitable for all stoves and all fuels (including eco-design stoves), light to medium use. This liner has an inner core of 904 grade stainless.

Thickness 0.9mm.

W3G - Heavy use, all fuels

W3G* (lifetime guarantee): suitable for all stoves and all fuels (including eco-design stoves) and heavy use. W3G has a treated double-layer of 904 grade stainless.

Thickness 0.9mm.

Silvacore can be fitted any way up

Unlike most other brands (where the layers separate on bends) Silvacore can be installed any way up in the chimney.


Caution

Slumbering a stove or "banking it up" overnight can shorten the life of the liner. This is because the bad stuff in the gases is not burned off and condenses within the liner. Slumbering is bad for liner, cowl and the environment. Don't do it. Do not mix wood with coal or smokeless fuel (moisture in wood reacts and creates Sulphuric acid). If you insist on slumbering you must choose W3G.


Dura flue silvacore

Only two brands are licensed to use W3G technology: Silvacore and Duraflue. Silvacore is manufacture in the Duraflue factory.
https://www.flue-ducting.co.uk/product-category/dura-flue-w3g/

Designation of liner

316

EN 1856-2 T200 P1 W V2 L50010 O & EN 1856-2 T600 N1 D V2 L50010G

 

904

EN 1856-2 T200 P1 W V2 L70010 O & EN 1856-2 T600 N1 D V2 L70010G

 

GAS

EN 1856-2 T200 P1 W V2 L50010 O & EN 1856-2 T600 N1 D V2 L50010 G

 

W3G

EN 1856-2 T200 P1 W V2 L70010 O & EN 1856-2 T600 N1 D V2 L70010G

Choosing and Fitting

Choosing a Liner

Choose the best you can. Guarantees are great but no manufacturer will ever pay for the removal of your old liner or the fitting of the new liner.

Must I line my chimney?

How to measure chimney?

Fitting packs (everything else you need)

Liner Guarantee

316: 15 years*

904: 30 years*

W3G (double-core 904): LIFETIME*

*Assumes proper fuels burned.

W3G first ten years NO QUIBBLE GUARANTEE

W3G Lifetime Guarantee

Caution

As is the norm with chimney-liner manufacturers, chimney liner CANNOT be returned as this is a customised cut-to-length item direct from manufacturer on your behalf.
So please measure and choose carefully.


What Else Do I Need to Buy to Install My Stove?

1x Stove (self explanatory but best 5kW selection here)

1x Chimney Liner: buy liner here

1x Chimney Liner Fitting pack:

If your stove is 5" collar and DEFRA approved (covers most stoves) then you can choose a 5" stove to 5" liner

If your stove is 5" collar and NOT DEFRA approved then choose 5" stove to 6" liner.

If stove is 6" collar then choose a fitting pack here.

If your stove is 4" collar and stove is DEFRA-approved then choose 4" stove to 5" liner.

If your stove is 4" collar and stove is NOT DEFRA-approved then choose 5" stove to 6" liner and add this stove adaptor.

1x Closure plate: more info and buy here

With all of the above this is everything you need except a few tools.

Videos

Below are two excellent videos on fitting a liner and then the stove. Note that our Silvacore liner no longer has arrows - it is uni-directional so can be fitted either way. We also generally provide hanging cowl (connects to liner) so the other bits inside the chimney pot in the video are not required.

Delivery Promise

We offer 14 days from delivery to report any courier damage to your parts. If your item is damaged by the courier we will replace or refund as desired.

£ PRICE MATCH £

We will happily strive to match any price you may have from any other supplier as long as the other supplier has it in stock.
Offered an "ex-display" or "shop soiled"? We will strive to offer you a new stove for the same price.

Julian Patrick, author of the Stovefitter's Manual

Stovefitter's Warehouse is owned and managed by Julian Patrick, blogger and author of The Stove Fitter's Manual. Julian was previously a full-time installer of log burners (including solid fuel heating systems). He laid down the tools in 2013 to write his stove manual and open a small shop in North Wales (the Wood Stove Hut, soon to grow into The Stovefitter's Warehouse).