Fascias, Soffits & Guttering Question

Is it good practice to fit plywood boarding to soffit joints & noggins?

Dear Tradesman,

I am proposing the following draft specification listed below, I thought it would be helpful to fix Ply wood boarding to the soffit joints and noggins - in order to get an even level. However I don't want to prevent air flow even if I install vented fascias and soffits. What do you think of the following job specification. We have just completed a loft conversion to a 1930's semi and had celotex insulation in the rafters...

Also any recommendations of Eurocell or Freeform? Eurocell look a good quality product. Not sure how this compares to freeform?

Also it is essential to remove first row of tiles?
I have fitted sandtoft 20/20 tiles to the roof & they have been nailed. In order to do a proper job should they be removed?

Replacement of the Soffit, Facia Boards, Guttering and Down pipe to the main roof/back elevation and porch roof

Remove the first course of roof tiles and set aside for re-use.
Cut back and remove any defective eaves felt. Replace any rotten timber to rafter feet.
Remove and lower to ground the existing fascia, soffits, rain water pipes and guttering.
Supply and install Eurocell/Freeflow 10mm Upvc soffit boards fixed into place with 40mm white Polytop stainless steel nails.
Supply and install black woodgrain 18mm Upvc fascia boards fixed into place with 65mm white Polytop stainless steel nails.
Supply and install Marshall Tufflex Deep Flow black Upvc round guttering ensuring all water runs freely to the outlets. Gutter support clips spaced no more than 800mm apart.
Supply and install Marshall Tufflex Deep flow Upvc rain water pipes.
Supply and install 10mm over fascia (hidden) ventilation strips.
Supply and install new eaves felt overlapping into the guttering. Preavent Dry
Seal all Upvc boards to the wall with a silicone sealant to prevent insect infestation.
Re-lay roof tiles.
Lower access equipment and remove all waste material leaving the site clean and tidy.

Thank you to Simon Cresswell from The Guttering & Cladding Company to your comprehensive reply to my previous question.

Grateful for any advice.

Kind Regards,

R Monk

1 Answer

Best Answer

Hello Mr Monk.
It's always recommended nowadays to try and use as less timber as possible, firstly to make your roofline maintenance free but also to "do away" with any material that is prone to rotting.
There is two different work ethics when it comes to renewing Fascia & Soffits, the first, and most preferred, is to completely remove all old timber material and replace with PVC. The second is a method called "Over Cladding" where the new PVC material is placed over the old timber. The issues caused by this is, the small gap that is created between the PVC and the the timber starts to sweat in different weather conditions, this sweat can cause the timber to dampen and over time, even decay. If your new Fascia or Soffit is nailed to this decaying timber... Well, eventually it could lead to the whole job needing doing again.
In my opinion I wouldn't use any timber to Soffit joints at all.

As for the first row of tiles needing to be removed, I would highly recommend this procedure if the job is to be carried out to a quality standard... especially if the eaves felt needs to be replaced, there is no other option.

Finally, I have used Eurocell materials plenty of times and I'm yet to have any problems at all. I hope this helps.

Rob Johnson
JOHNSONbuild

PS.
I'm sure it's just a "typo" but I wouldn't use white polytops on a black Fascia board.. They need to match the colour! :o)

Answered 11th Jan 2018

JOHNSONbuild

Member since 9 Jan 2018

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