Single-Ply Roof Replacement

Here at Dynasty Roof Systems, we have you covered. We have the best single-ply roof system you can buy for your commercial building. When you invest in a new roof, you can expect it to last. That's why we only use top-notch, single-ply systems from Conklin Roof Systems, Flexion XL (PVC) and Outpost (TPO).

Flexion XL Single-ply

What is PVC?

 Polyvinyl Chloride ( PVC ) is a thermoplastic membrane and are known to resist a broad range of chemicals.

Flexion XL

 This ENERGY STAR-rated, thermoplastic membrane provides fantastic protection from the elements. It's unique thermoplastic formulation has been reinforced for superior strength, durability, and flexibility. 


• Stops leaks with superior waterproofing, and offers durable protection from wind and hail 

•Fire and chemical resistance 

• Increases energy efficiency 

• Can be applied in all seasons, performs in all climates

• Up to 20-year warranty available

Outpost Single-Ply


What is TPO?

Thermoplastic Polyolefin or TPO  is a single ply vinyl roofing membrane and has superior weathering and slightly better tear and break resistance than PVC. 



This rugged, thermoplastic polyolefin membrane (TPO) provides phenomenal defense from the environment. It's exclusive TPO design has been modified with a reinforced fastening edge, non-moisture-wicking scrim material, and exceptional strength.  


Advance Features

  •  High-tensile strength and puncture resistance  
  • Stops leaks with superior waterproofing
  • Heat-welded seams provide excellent strength
  • Offers durable protection from wind and hail
  • Energy efficiency
  • Can be applied in all seasons, performs in all climates
  • Up to 20-year warranty available

Application of Single-Ply Roof



The application for a TPO and PVC roof system are very similar. Single-Ply roof systems are either mechanically fastened with screws and plates, or they are adhered to the deck with a bonding adhesive. Both systems can be installed as a full roof replacement, or may be laid over the existing roof if applicable.

Step 1-Demolition

If a full roof replacement is needed, we will have to remove the existing roof down to a clean substrate. A new roof lay over is very simple compared to a roof replacement. We will have to clean the old membrane and remove any loose debris.

Step 2-Board Stock

We securely attach board stock to the substrates with appropriate length screws and plates. We use ISO and fiber board stock before installing single-ply membrane. ISO and Fiber are Insulation boards, ISO boards have a higher          R-value the fiber boards.

Step 3-Single Ply Membrane

We apply TPO and PVC by overlapping the seams in the direction of water run off. Even though Single-ply membranes can be glued to the board stock, we use the mechanically fasten technique with screws and plates for added strength against high winds.

Step 4-Heat Welded Seams

All open seams and penetrations are welded together with a high power industrial heat gun, or with a robotic heat welder creating superior durability and water-tight protection to your roof.

Step 5-Seal

Seal up all open edges near roof penetrations with urethane sealant to complete a waterproof single-ply roof system.