SAB® Tron Insulation System, Barjeel

The RAK Green Building Regulation ( Barjeel )
Supply and apply the approved quality waterproofing system for the roofs (Combo Roofing System).

1- Polyurethane foam, 60mm thick, and density of 40-45 kg/m³. ( UV 0.3 W/m²K ).
2- Acrylic - Liquid UV protection coat (600mic.Thick).
3- Geotextile /Separation Layer 100 g/m²
4- expansion separator material Fiberboard -at least 10 mm thick & no more than 16 square meters
5- Concrete screed (20N/M³ - 300 OPC, 80mm AVE. Thick.) without (Ice&Fibre)
6- Angle fillet (cement sand mortar ).
7- Remove the filler board/flexible sheet -stage (4).
8- Expansion joint filter (Backing rod and Pu sealant).
9- Acrylic Topcoat final

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Terms and Conditions
Prices excluding delivery costs

Optimisation Method of Statement Thermal & Moisture Insulation

The Contractor is referred to the Specifications and Drawings for all details that is related to this Section of the Works, in order to insure full commitment with all the requirements contained therein, thus the thermal & moisture insulation will reach to the required professionalism and effectiveness.

Perquisites required from Main Contractor:
· Insulation works should be implemented by specialized company and should be approved from the consultant; as well it should have minimum 5 years experience.
· Electrical conductors and water pipes should be sealed properly, to avoid any water leakage.
· Water rain pipes should be in place at specific height (approximately 3 cm), according to roof slope.
· Parapet should be plastered to the required height, (after 25 cm Vertical from the roof slab).
· The threshold either for door or staircase, as well as dome holes should be in place and at specific height approximately 25 cm, (in case of existing).
· All electrical conductors or other pipes might be existing in the middle of roof slab, should be passing through sleeves and on 35 cm minimally height. , these sleeves will support replacement procedures in case of further maintenance for these conductors are required.
· Parapet AC or water pipe connectors exits should be passing through sleeves should be in place at minimum height of 35 cm.
· Insulation system is very delicate and important task, that's will make the main contractor is responsible to ensure full co-operation and attention from other subcontractor's whom their scope of works will start after waterproofing systems such as AC, water pipe, water tanks, ,…etc, in order to avoid any damages or vandalism in insulation layers either partially or totally.
· Following up the above mentioned notes and the below methodology will avoid further maintenance.
· Implemented company must issue guarantee letters (defects liability period), for all insulation works, this guarantee will be use during any maintenance, taking into consideration guarantee period.
· Puncture the insulation layers under any circumstances is not allowed, this will cause leakage either currently or later on.

SAB® Tron – Combo system, (Integrated Waterproofing System) / Roof.

1. Clean the roof slab from all dust or debris by using compressed air, directly before Polyurethane implementation.

2. Applying polyurethane foaming spray, (averagely: 60-65 mm thick & 45-50 Kg/m³ densities roof )

3. water testing should be by using sweet water ,for 24-48 hours, this water test will give high opportunity to discover any leakage might be happen, either it was due to manufacturing defect or poor quality materials, this step can be after polyurethane or after rubberized application ( this procedure should be on the main contractor responsibility, and under consultant engineer supervision)

4. Applying one coating (Acrylic) top coating, spray Applied, which is Acrylic based, and Non-flammable. (Application should be by spray ).

5. covering all the above mentioned steps by using one layer of non woven polyester synthetic fabric filter membrane (Geotextile Separation Layer 100 g/m² )

6. Dividing the roof slab into multiple squares (its area is 300cm * 300cm), then execute ridges by using the flexible sheets with thickness 12mm, and its height is matching with roof slope 1/100 (that will increase 1 cm height for each 1m length), taking into consideration the water pipe will forming the starting point to execute ridges in this stage, and its screed should be at 4cm minimally.

7. Casting screed of Ready Mix Concrete–OPC- 20N/m³ – without ice.

8. Soften the casting ready mix concrete by using the helicopter, this procedure should be on the same casting day and when the screed starts to be dry.

9. Execute slope corners 20cm*20cm to cover the upper side of insulation layers along with the parapet, in order to avoid a high probability leaking in this weakness area.

10. Approximately 5 days later, be sure the casting screed ready mix concrete is well dry, than all flexible sheets must be removed very carefully, without causing any vandalism or damages in screed edges along with those flexible sheets that had been removed.

11. Filling the expansion joints by sponge 20mm thickness, then apply mastic coat minimally: 20mm height and 10mm width, to protect screed edges this forming important stage to avoid a high probability leaking in this weakness area.

12. Air conditions bases (main contractor responsibility) should implement on the top of the roof slab far away from expansion joints, this step should be before acrylic execution. Taking into consideration keeping the insulation system clean and safe.

apply (Acrylic) top coating, spray Applied, which transform from liquid texture during application into elastic and flexible coating when drying , and its specification : highly flexibility, Weather resistant, and High adhesion power

The treatment of the surfaces to be isolated is the responsibility of the main contractor.
Tanks and air conditioning machine bases are executed on the roof after pouring the slope concrete by the main contractor or owner."
"The customer must modify any plumbing or electrical extensions before starting insulation work, in accordance with Shams Al Bawadi's insulation system requirements."
Supply of insulation materials by the client
The price mentioned above does not include the supply of water, cement, sand, and 03, as well as the need for slope cords and angle cords.
The materials (water, cement, sand, and 03) are lifted to the surface by the main contractor.
The test is carried out by the main contractor.
The guarantee for the final layer and the mastik in the same surface insulation system shown in the table above is 3 years.
This price offer is considered complementary to the contract terms in case of agreement.
The duration of the work is agreed upon before signing the contract.

"Tips to be followed after implementation."

Ensuring the quality of the installation and the absence of any leaks.
Maintaining the cleanliness of the roof surface and cleaning it regularly.
Conducting periodic inspections to maintain the quality of the waterproofing and avoid any damage or corrosion.
Ensuring the proper installation of drainage systems and inspecting them regularly.
Avoiding exposure to excessive heat and ensuring protection from UV radiation.
Ensuring the proper installation of electrical systems and inspecting them regularly.
Performing regular maintenance on the system and carrying out any necessary repairs immediately.

· The above mentioned insulation system is thermal and moisture protection system.
· SAB® Tron Combo Roof insulation system & (Waterproofing) guarantee is for 25 years

SAB® Tron Insulation System, Barjeel

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