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FAQ's

EPS is expanded polystyrene (EPS) insulation board and is a high-performing thermal insulation. It significantly upgrades the thermal properties of a garden building, improving U-values and reducing the risk of water penetration and condensation. 

Full details are provided in our instruction manual; however, simple steps are outlined below; Step 1) Install the starter track Step 2) Install the EPS foam blocks to the walls using the (P2) adhesive and the supplied 100mm screws and washers Step 3) Apply (C2) adhesive and meshes to the EPS foam blocks supplied Step 4) Prime and apply render to the walls IMPORTANT: Please see the full instructions for a detailed installation guide.

No, however, this is completely dependent on your own preference. The render supplied is already white throughout the outer layer, with microbiological protection against the growth of algae and fungi and excellent colour fade resistance. Of course, you can change the colour of the render to whatever colour you like by using suitable external masonry paint if you wish. The boards visible around the edge of the roof are supplied in a cream colour, which also do not need to be painted as these are made from a material that is already weather resistant, though you can paint these to match the colour of your windows or other colours as desired and if left unpainted these roof edging boards will fade to a whiter colour over time.

Yes, we supply the materials needed to render your office. This includes; Aluminium starter profiles; 1200mm x 600mm x 100mm expanded polystyrene Class E Fire retardant EPS insulation sheets; Screws, spreader washers and P2 adhesive cans for fixing EPS sheets, and suitable drill bit and insulation discs for EPS sheets; C2 fibre reinforced adhesive mortar and mesh for all surfaces and edges; White C7 silicone render.

Another popular addition to a log cabin that can often prevent the movement of the free-floating wall logs, and therefore lead to gaps forming, is plasterboard. We have in fact tried and tested this as a modification to our design and can confirm that it is not a good idea as it can lead to the logs being unable to tighten down upon one another to close any gaps. We therefore do not advise plaster boarding the walls as being a good idea for your log cabin.

We use slow-grown Spruce timber to make this Arbour. Spruce is less porous than Pine and so less likely to shrink, warp or split.

We use slow-grown Spruce timber for the main structure of the Pressure Treated Summerhouse. This premium timber is less porous than Pine, resulting in greater resistance to shrinking, warping, and splitting.

On the day of delivery, your goods will be delivered in panels and individual parts to the first point of contact at the front of your property e.g your driveway. This must be within 20m from the delivery vehicle (safely parked at the kerbside), to allow the driver to transport the goods from the lorry to your property.  

To contact customer services at Dunster House Ltd, please email [email protected], with your questions or concerns, detailing your order number (normally beginning with SO), or your postcode so that we can find your order.

If you decide to choose a different email address or channel of communication with our company, you will receive the same advice to contact Customer Services via email to [email protected].

We only deal with customer services enquiries via email and do not have a telephone number for this department.

Please note that we are unable to correspond with you unless you are the named invoiced customer, and if you wish to speak on behalf of the invoiced customer we will require their written consent.  

Our products are designed for the DIY market, and supplied in flat pack kits for home assembly. A capable DIY person should have no problem erecting one of our garden buildings. The majority of parts are all pre-cut ready for you to start building. Full comprehensive instructions are included detailing the installation process of your garden building, and all necessary fixings are supplied.   The tools we recommend you use when erecting your garden building are:
  • Drill
  • Hammer
  • Screwdrivers
  • Spirit Level
  • Stepladder
  • Tape Measure
  • Saw
  • A ball of string, to check the diagonals
  The time it takes to install your garden building will vary depending on your abilities, the conditions you are building in, and how much assistance you have.

This Garden Office contains floor, roof and wall insulation. The roof and floor are insulated with Polyisocyanurate, and the walls are insulated with Multifoil. Both types of insulation are proven to retain heat better than polystyrene or rockwool. This garden office features 28mm double glazed windows and doors that also aid in retaining heat. If you choose to upgrade your insulation you will receive additional 25mm Polyisocyanurate (PIR) inserts to fit in your walls.  

We use slow-grown spruce timber to make this Brise Soleil.

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