Insulation Estimating and Waterproofing Guide for Insulation Estimators
The whole process of insulation estimating and waterproofing estimating is quite a task for both the contractors and insulation estimators along with the damp proofing estimating. Similar to the fireproofing of a building, it is important to make it waterproof as well in order to avoid rust and decay of the steel structures as well as the building material. Water can seep through the foundations and destroy the structure. Vapor barrier insulation is one of the important steps in this regard. Various types of sealants and caulks are used in order to provide an air barrier for the buildings. Under the master format, waterproofing is part of Division 7, which also includes thermal insulation. Here in this article, we are going to discuss every important detail related to the material information for water and dampproofing as well as the waterproofing techniques and insulation estimating to provide information for both the contractors and the insulation estimators. Before jumping to the details, it is important to draw a basic understanding of what is meant by waterproofing and dampproofing and the difference between these two how air vapor barrier estimating and damp proofing estimating work. What is waterproofing and water proofing estimating? Waterproofing indicates the process of making a structure waterproof or water-resistant in order to resist the seepage of water. It resists the penetration of water through objects and is ideal for underwater environments. Moisture Vapor transmission rate refers to the permeation of water vapors through the object. Waterproofing estimating refers to the process of estimation for making something waterproof. This is in terms of both costs as well as the material takeoff list. This type of insulation estimating helps the contractors as well the engineers to have a better perspective of scenarios and conditions and they can avail better insulation estimating services. There is another term that is used equivalent to waterproofing and that is dampproofing. While both terms are used alternatively, both have different concepts and purposes. This insulation covers both these aspects, but it is important to draw a difference between the two for material takeoffs. Difference between waterproofing and dampproofing The difference between waterproofing and damp proofing is quite evident from the terms. Where the former deals with the penetration of water later refer to the resistance to humidity and dampness. Humidity is caused by the heat and water combination that seeps easily through building structures and makes it more prone to damage. Dampproof membranes are a common dampproofing material for building structures and are important to be included in the material takeoff lists for air vapor barrier estimating. There are several other concepts when discussing waterproofing of buildings and structures. Some of them include flashing and house wraps. Both are used in the context of waterproofing the building structure. Damp proofing estimating is concerned with the dampproofing of the structure and enlist the items required for it. The concept of flashing and house wrap: Flashing refers to the materials that are installed to prevent the passage of water from a joint or a creek. It is part of the insulation. Many metal materials are used for this purpose. Flashing is done to decrease water penetration from windows, walls, vents, chimneys, etc. It helps in avoiding the mold problem and makes the building more resistant to early weather changes. House wraps are the synthetic materials that are used to protect the building. These moisture barriers are part of the insulation. These allow vapors to exit from the building while stopping moisture from entering. Hence, these house warps serve the dual purpose of protection. It is an important concept while undertaking insulation estimating services. [How much of the flashing material do I need for my attic?] Purpose of waterproof and damp poof sealants: In order to draw accurate estimates for waterproofing estimating and material takeoff list, the contractors and engineers must be aware of the purpose of waterproofing and dampproofing. There are different types of sealants, moisture barriers are used and each has a specific purpose. Vapor barrier installations consist of different barriers tapes and air barriers. It is important to know the purpose of use for these materials while doing airvapor barrier estimating so that they can prove to be more useful in protecting the building from decays as a result of water exposure. Use of sealants and caulking for blocking the passage of fluids through the surface: Sealants and caulks serve as a blockage for different surfaces. As the name depicts, sealants seal the surfaces and top structures. This serves as both moisture barriers and fire barriers. Caulking sealants have multiple functions to perform. For example, these fill the gaps between the materials, which makes them a barrier, these serve the purpose through the physical properties. They are reliable and simple to use for various purposes which makes them an easy choice. Different types of sealants are used based on their properties. These include silicone, polysulfide, and Silane-modified Polymers or simply known as SMPs. While listing the material takeoffs in damp proofing estimating, all the types of useful sealants are included as well. Concrete sealants for surface damage, corrosion, and staining: As is evident from the name, these types of sealants server the purpose of saving concrete from corrosion, staining, and surface damage. These sealants work in two ways, these fill up the pores in the concrete or they reduce the absorption of water to the surface. Either way, they act as a vapor retarder. There are multiple types of concrete sealers. Mainly these are characterized as the topical sealers and penetrating sealers. Both have the functionality of protecting the concrete surface from staining and chemical reactions. Acrylic resins, silane, and silicates are commonly used as concrete sealers. Vapor barriers for resisting the diffusion of moisture through the walls: The materials used for dampproofing are referred to as moisture barriers. These materials are characterized based on MVTR in terms of water permeability. For example, oil-based paints are water-impermeable with an MVTR of ≤ 1 US perm.
