Roof sarking peeling off?

A homeowner asked “is this roof sarking peeling off?”

I’ve installed a lot of sarking!

You need to apply the special shiny silver insulation tape that is sold especially for taping reflective foil laminate (sarking).

It is really sticky and most importantly reflective, long-lasting and it maintains the integrity of your sarking layer.

Here is a photo of the tape we use. It won’t break down or delaminate, it sticks to wet surfaces, is stickier than cloth duct tape, and withstands a large range of temperatures from -30% to 100%.

Is it just a matter of taping the edges? Do I need to put anything on the inner part too to stick them up?

You just smooth the bottom layer over the top layer and run the tape longways along the edge of the overlap so it goes half on each side.

You could hold it in place with a couple of little sections of tape, but replace them when you get to that bit with the tape roll.

Once the edges are taped and securely in place you could run another line of tape to offset each side to widen the taped join if you like.

Bare hands are best as the tape sticks very strongly to silicone gloves!


What might be the reason that this happens to sarking?

It looks like it wasn’t taped in the first place. It’s probably more important on a metal roof as the taping ensures the condensation doesn’t drip on the ceiling. But has benefits for tiled roofs too, eg. drafts and radiant heat.

Sarking is now mandatory in building. Installation of sarking has been a standard practise since 1996.

Do you need Sarking Installation?

All Coast is very experienced at installing sarking.

Sarking installation typically includes:

  • Lifting roof tiles from the battens and stacking them across the roof
  • The battens are then removed and de-nailed ready for refitting
  • Damaged battens are replaced
  • The sarking All Coast supplies is a heavy-duty poly roof sark, this is run across the rafters lengthways creating a permanent barrier under the roof tiles
  • After the sarking is installed, the battens are nailed back onto the rafter
  • Valley seal is installed to all valleys
  • Roof tiles are relayed using the new spring tile clips causing less issues
  • Broken tiles are replaced as necessary

The work outlined above comes with a 5-year leak free warranty. Sarking has also a high thermal quality and will dramatically reduce heat in the roof void.

Take a look at the full information about our sarking installation service.

Get a free quote for your sarking installation.

Sarking Installation

Sarking Installation

Sarking Installation

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  • Note: Due to a lack of available metal roofers we are currently only doing tile reroofs.

    Note: Roof Restorations not currently available.

    Note: Clean and paint not currently available.

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