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Roofing Underlayment

What roofing underlayment should I use? This is a question many people struggle with when getting their houses or properties roofed. In general, there are two kinds of roofing underlayment, and you have to pick the best option for you. Nowadays, you have a choice of traditional or synthetic roofing underlayment. That said, factors like cost might factor into your choice. But generally speaking, there are many reasons you should pick one roofing underlayment over another.

Benefits of Roofing Underlayment

There is one major reason you need underlayment – to waterproof your roof. Felt is a great choice because it can accomplish this goal in addition to offering other important benefits. First of all felt is an excellent underlayment option because it offers great waterproofing. Even when the roofing tiles break off, the felt can continue providing the protection the house owner needs from hostile weather until the roof has been repaired.

Synthetic Underlayment

But now, makers of these roofing materials are now using synthetic underlayment. This is a significant upgrade to traditional underlayment. As far as waterproofing and wind resistance is concerned, this material is incredibly effective. In fact, some synthetic underlayments can protect the roof from leaking for up to six months after the tiles have been removed. Some options even have an antislip capability that makes them safer and easier to install for the roofers. With some of these materials, the moisture will also be kept from getting into your house.

Jasper Contractors says, both felt and synthetic underlayments are worth using for the incredible benefits they offer. Synthetic options will be a little pricier, and they are generally worth the cost because they offer an improved level of resistance against water, and they are safer to work with. This latter advantage should come in handy during DIY roof repair works. The difference in price is so stark that synthetic underlayment can cost even ten times as much as a roll of felt underlayment.

Felt Underlayments

However, felt underlayments have done a pretty good job for years, and they are still effective today. Although they cannot take as much punishment from the elements as synthetic underlayments, they can provides decades of reliable experience. That is because once the roofing underlayment has been set up, which takes a couple of hours at most, it is never exposed again until about 3 decades.

Your choice of roofing underlayment can also be determined by whether you want a breathable underlay or not. Basically, traditional underlayment is not breathable, while modern synthetic underlayment is. Breathable underlayment offers some ventilation in addition to creating a barrier against water and wind pressure. However, non-breathable underlayment might serve you better if you prefer traditional ventilation options.


What roofing underlayment should I use? You are welcome to use both traditional and synthetic underlayment. Both of these options offer excellent waterproofing capabilities. However, synthetic underlayments have a few other benefits you might not get when using the felt underlayment alternative. For one thing, the synthetic underlayments can withstand exposure to the elements for much longer in case the roofing tiles come off. Additionally, they might have antislip capabilities which make them easier to work with. However, the synthetic underlayment option is also significantly more expensive, which is something worth considering since both underlayment options are just as good as making your roof waterproof for a couple of decades at a go.