They are wanting us to rebuild it but make it waterproof so that rain cant seep through the deck and onto the patio below.
How to waterproof a second floor balcony.
To deal with this problem and prevent any further damage it s a good idea to seal your concrete balcony floor with a strong sealant.
The trex rainescape deck waterproofing system shown below is an example of a membrane and downspout system.
It will be simple to apply as the components specifically studied to treat the details such as wall to floor corners and drains.
First you need to purchase a continuous sheet of epdm which will cover the entire deck area.
There is quite a large range of options available most containing either a water base or a silicone base.
Browse materials for this project on amazon.
Builders with clients who request a second floor balcony have to figure out durable details that will support juliet and her railing.
The most effective concrete sealant is wt1 the best replacement for bitumen based roof membranes.
They pointed us towards a type of rubberized sealant that is applied like a paint it s called gaco deck sealant i believe.
The ideal system for waterproofing a balcony or a terrace must provide a waterproofing layer that is elastic and extremely tough while ensuring extraordinary adhesion to the cement bond that will be used for applying the flooring.
This is used to provide a durable long lasting waterproof membrane on top of your existing deck.
Balcony and rooftop deck waterproofing gacodeck available in a convenient kit is ideal for residential and home owner use to provide long lasting durable waterproofing for balconies and turn a flat roof into a deck for additional outdoor living space.
Deck membranes and downspouts the dominant solution for waterproofing areas below decks is to drape plastic membranes within joist spaces below decking to form troughs.