Firestopping is considered a passive fire protection approach. This approach relies on compartmentalization of various building components such as fire rated walls, joints and floors. With a proper design sealing every opening, penetration, and joint that is part of the fire rated assembly to satisfy the determined fire resistive rating. Fireproofing is a cost effective solution to meet the hourly ratings required by local building codes and insurance companies. Fireproofing systems provide up to four-hour rating on structural members. Helping to prevent steel from collapsing during a fire. Fireproofing protects the steel and even more importantly lives in the event of a fire. Firestops are considered constantly in place versus active systems such as sprinklers that could potentially respond with a delay or even fail if not properly maintained.

OnSite provides a full range of Firestop applications including Spray Fireproofing and installation of through penetration protection, head of wall, bottom of wall, and curtain wall joints, as well as construction and expansion joint applications. Additional services that our firm offers to our customers are heat tracing, both freeze protection and temperature maintenance, along with various forms of architectural caulking. Our services include the installation of firestopping systems, including fire-rated joint assemblies, perimeter fire containment and smoke and fire rated penetrations.

OnSite approaches each project from an experienced perspective using a two layered approach of active (fire sprinklers and fire alarms) and passive protection (firestopping and spray fireproofing) is implemented to meet local, state and federal codes for the construction, design of occupied structures. A major priority for project engineers and commercial / industrial site owners is Fire containment. The ability to control fire, smoke and toxic gases is a focal point for the safety plan of the completed project.


OnSite offers different types of insulation applications to insulation your needs.

Batts /Blanket Insulation – This type of insulation is installed between metal and studs at exterior walls of a building structures as thermal barrier to increases efficiency of structure. This type of insulation can range from  R-11 to R-38 to offer superior thermal performance. This type of insulation is also idea for areas requiring minimal sound transmission between spaces, rooms or designated areas within structures.

Semi Rigid Insulation – This type of insulation is used to increase R-values on the outer exterior envelope of buildings. This type of insulation is engineered with high density fiberglass or wool like insulation to withstand more demanding conditions.

Rigid Insulation – This type of insulation is used a thermal insulator on concreate walls or in temperature controlled units.

Spray Insulation – This type of applied fireproofing products are the most common type of fireproofing material insulation can be either Cellulose (Plant Based) or Fiberglass. Spray Insulation is another application used to create air tight sound barrier, moisture barrier and increase thermal ratings of structures. Spray applications can range from standard density to high density for exposed areas of the structure that’s exposed to harsher and moist conditions.

Metal Building Insulation – This is a high quality facing for optimum vapor, anti-mold and corrosion prevention

Safing Insulation – This type of wool based insulation can be used for the top of wall headers and at the slab edge between floors applications. OnSite uses industry standard fire stopping to provide UL rated hourly fire ratings for wall and floor applications

Inumescent Coatings – This application is gaining in popularity as the go to choice for achieving a fire rating on exposed structural steel. This is a thin film coating used on interior and exterior fireproofing applications where visual aesthetics are paramount. This application supports a three-hour rating on steel beams and columns. Also ideal for designers this application can be top coated to achieve color matching in rooms.


OnSite offers several different applications to meet your waterproofing needs.

Sheet Applied Waterproofing Membrane – This type of system is commonly used for waterproofing below grade foundation walls, tunnels, slabs and plaza decks. This is achieved by applying self- adhering membrane, primer for surface preparation, a liquid membrane for detailing to seal termination points and drainage composites to protect the waterproofing system and provide moisture control.

Hot Applied Waterproofing Membrane –  This type of applied waterproofing is an asphalt based compound that used to form waterproofing and roofing membrane layer. The system typically applied when moisture is undesired from reaching beneath its membrane layer in the event of physical damage.

Deck Coating Systems – OnSite provides deck coating systems that provide a durable, skid-resistant wearing surface and a waterproofing layer, which protecting above grade decks from the damaging effects of harsh ambient conditions, water and chlorine ion penetration. This type of protection prevents undesired moisture from accessing untreated structural and supporting materials.

Bentonite Waterproofing Systems – Bentonite waterproofing is a type of geotextile panel made of sodium bentonite clay set between two layers of material like fabric. When treated Bentonite clay will resist the undesired flow of solutions and displays high resistance to chemicals as well as self-sealing properties when penetrated.

Air & Vapor Barrier Systems – Air and vapor barrier materials come are self-adhering sheet or fluid applied membrane and different forms of fabric wraps. We can also apply porous or non-porous applications based on your contracting needs.

Caulking & Sealants – OnSite has experience in the installation of silicone, urethane, preformed foam sealants and preformed silicone extrusion systems that are engineered to weatherproof your new construction buildings or structures.

Water Repellents – Water repellent is a clear, filmless, penetrating product for virtually all above grade, vertical concrete, stucco, block and brick masonry. The water repellents chemically react to create a powerful barrier against water penetration however, it is necessary to reapply on a maintenance schedule every five to ten years.

Graffiti Control – Anti-graffiti is a clear treatment for use on concrete, brick, concrete masonry units and natural stone. The treatment protects surfaces to allow easy removal of a wide variety of graffiti, spray paint, permanent marker, ink, bituminous paints, asphalt sealers and other solvent or water-based solutions.

Cementitious Waterproofing – Cementitious waterproofing is a chemical engineered treatment for the waterproofing and protection of concrete surfaces. Waterproofing treatment is highly resistant to most aggressive liquid substances. By preventing the intrusion of chemicals, salt water, sewage and other harmful materials, cementitious waterproofing protects concrete and reinforcing steel from deterioration and oxidation making it a good selection for sewage and water treatment applications.


Onsite Fireproofing, Insulation and Waterproofing offers or experience and expertise in the proper installation of structural and architectural expansion joints. As seasons change concrete tends to expand and contract due to thermal movement of air.

OnSite, has experience in addressing thermal stress on engineered structures. We can supply systems designed for high stress situations in addition to floor systems, slip resistant cover plates, water tight and fire rated-rated systems.


Onsite Fireproofing, Insulation and Waterproofing offers Freeze Protection Heat Tracing. This type of Electric Trace Heating, also known as Electric Heat Tracing and Electric Surface Heating, is a system used to maintain or raise the temperature of surfaces or applications containing liquids, media or solution/mixtures such as chemical transferring pipes. Trace heating takes the form of an electrical like heating element run in physical contact along the length of these applications. In addition to the electric heat sourcing, Heat Maintenance is used and applied to the point of contact, which is then covered with thermal insulation to support ideal internal pipe temperatures.