Combo Roofing Waterproofing System with 25 years Guarantee from the Manufacturer M/s. Henkel Polybit.

Combo roof system forms a monolithic, seamless insulation cum waterproofing layer with high thermal resistance

1. Application of Polyfoam directly on the Roof Slab

  • Application of Polyfoam directly on the Roof Slab
  • Application of Polyfoam directly on the Roof Slab




2. U.V. Protection Coating over the Polyfoam
  • U.V. Protection Coating over the Polyfoam
  • U.V. Protection Coating over the Polyfoam




3. Flood test over the polyfoam
  • Flood test over the polyfoam




4. Making Ridge panels to make slope
  • Making Ridge panels to make slope
  • Making Ridge panels to make slope




5. Fiber Reinforced Screed Concreting
  • Fiber Reinforced Screed Concreting
  • Fiber Reinforced Screed Concreting




6. After the finishing of concrete
  • After the finishing of concrete




7. Polyflex wear resistant, UV resistant, waterproofing top coat over screed concrete.
  • Polyflex wear resistant, UV resistant, waterproofing top coat over screed concrete.
  • Polyflex wear resistant, UV resistant, waterproofing top coat over screed concrete.




Method of Application:

  1. Roof slab shall be inspected by the roofing specialist and confirm acceptance of the roof for application of the COMBO ROOF water proofing system.
  2. Clean the roof using compressed air to make sure substrate is free of dust and debris.
  3. Supply and spray PLYFOAM polyurethane complying with BS 5241-part at an average thickness of 35 to 40 mm over the entire roof area including the up stand to a height of max 200mm.
  4. Supply and spray POLYTEX over the entire foam area and allow drying for 48 hrs.
  5. Flood test the roof for a minimum period of 24 hrs. (by the main contractor).
  6. Supply and lay POLYFAB protection layer over the entire roof area.
  7. Supply and fix POLYBOARD expansion joint filler boards in slope and in panels.
  8. Supply and lay protective screed in panels and cure as per standard procedures.
  9. Supply and apply POLYBOND PVA bonding agent to all corners and up stands.
  10. Prepare angle fillet all around parapet and up stands using sand cement mortar.
  11. Supply and apply POLYSEAL PS polysulphide sealant to all construction joints including backing rods.
  12. Supply and apply POLYFLEX-COMBO over the entire roof area including up stands and allow drying for 40 hrs.
  13. Final inspection shall be carried out.

Project Refrences


Combo Roofing :

  • Toyota Showroom for SBG at Wattayah.
  • Consultants'Office at Bar Al Jissah Resort for L&T(Oman)
  • Muscat Golf Course Project for L&T (Oman).
  • Hino 3S Facility at Azaiba for SBG.
  • Accommodation building at Barka for SBG.
  • Accommodation building at Buraimi for AL-ADRAK.
  • Governor's Office Building at Buraimi for AL-ADRAK.
  • Building at Bahja for Al-Rawaj International LLC.
  • Residential building for Allied Business Corporation at Falaj, Sohar.
  • Accommodation building at Al-Amerat for Towel.
  • Staff's Accommodation Building Complex at Wadi Kabir for OSCO.
  • Toyota Showroom Facilities at Sohar for Galfar.
  • Villa and Apartment at Palm Garden, Sohar for L&T(Oman)
  • Megabody Shop Project at Ghala for L&T(Oman)
  • Showroom, workshop & Warehouse at Buraimi for L&T(Oman)
  • Saud Bahwan Project Ghala for Bright Muscat.
  • Fabrication Building at Naseem Garden for Dunes International Project.
  • Toyota Showroom at Bidiya for Dunes International Project.
  • Villa at Madinat Al Ilam for Dharamsey Nensey.
  • Staff Accommodation at Naseem Garden for Dunes International Project.
  • Warehouse & Accommodation at Rowdha for Dunes International Project.
  • Staff Accommodation at Suwaiq for Dunes International Project.
  • Staff Accommodation at Sumail for Dunes International Project.
  • Hotel Development at Sohar for Galfar Engineering and Contracting LLC
  • Toyota Facilities at Naseem Garden for Khalid Bin Ahmed & Sons LLC
  • Apartment at Bausher for Marg Al Zuhoor LLC
  • Residential Building at Al-Khuwair for Oman Commercial Agencies.
  • Residential & Commercial Complex at Seeb for Towel Construction Co LLC
  • 25 Villas at Madinat Qaboos for Sam Trading.
  • 16 Villas at Madinat Al Ilam for Towel Construction Co LLC.
  • RCC CM#5 Project at Salalah for Larsen & Toubro(Oman) LLC.
  • Ruwi Plaza for Yahya Construction.
  • Projects at Internal Security Services for Al Thabat Holdings.
  • Villa at Al Ghubra for Angel Constructions.
  • Commercial Building at Internal Security Services for Teejan Trading.
  • Baggage Make-up Area at Muscat Intl' Airport for Oman Airport Managements SAOG.
  • Atyab Bakery at Barka for M.K.Trading
  • Reem Battery, Barka for M.K.Traiding
  • Apartment Block-1 at Madinat Qaboos for Towel Construction.
  • Food Division at Wadikabir for Khimji.
  • Office Building at Bousher for Yahya Construction.
  • Maintenance building at Oman Flour Mills SAOG, Muttrah.
  • 88 Villas at Al Khoud for Towel Construction.
  • Al Ameen Mosque at Bousher for L&T(Oman)
  • Saud Bahwan Plaza at Ghubra for Towel Construction.
  • Saud Bahwan Plaza at Ghubra for Simplex Infrastructure.
  • Barracks at SSF for Khimji.
  • Salalah Mills for L&T(Oman).
  • Dunes Oman (FZC) Salalah, for L&T(Oman).
  • Check In Hall for Muscat International Airport for Oman Airport Management Company SAOC