Roofing paper and red rosin paper.
How to lay underlay for bamboo flooring.
Start to lay your flooring by gluing the tongue and groove joints together with waterproof pva flooring adhesive.
Place the grooved side of bamboo planks against the spacers.
How to install bamboo flooring.
Assemble the bamboo flooring end to end snapping the ends together as you go.
Make sure you have a tube of bostik adhesive remover wipes handy to clean up glue spills asap because letting the glue cure on top of the flooring planks will damage the finish.
Trowel the adhesive directly onto the concrete floor working in sections and lay the bamboo planks directly on top.
Do not glue the boards to the underlay.
The three main types of underlay are.
Sound reducing underlay thermal barrier underlay and underlay for underfloor heating.
Further help and advice.
If you decide to float your bamboo flooring over an underlay then you will need to think about which particular underlay will suit your needs.
Lay out the planks for the first row calculate the length of the last plank and cut it with a saw remembering to allow for a 1 4 inch expansion gap at both ends of the row.
As you join planks end to end spread a small amount of tongue and groove flooring glue along the bottom portion of the groove before.
Stagger the planks in whatever pattern you want to achieve.
Set spacers between the planks and the wall to maintain the 1 4 inch gap.
To install this type roll out the underlayment with an overlap that is equal to the width of the adhesive edges peel off the adhesive backing along the edge and press the seams together.