The application photos show inclined side members alongside grating treads, connected to landings and handrail assemblies. This page focuses on the channel profile supplied for the stair framework, with dimensions and fabrication details selected for each project.<\/p>\n
Why Use FRP C Channel for Stair Stringers?<\/h3>\n
Continuous Support Along the Stair Flight<\/strong> Stair Side Beams<\/strong> Industrial Access Stairs<\/strong> A stair stringer should be selected using the complete stair arrangement, rather than profile dimensions alone.<\/p>\n The design review should consider:<\/p>\n FRP has directional material properties. Mechanical data for the selected profile should be used when checking the member and its connections.<\/p>\n Tread Hole Layout<\/strong> Mingchi supplies pultruded FRP channel profiles to agreed order specifications.<\/p>\n Inspection requirements can include section dimensions, member straightness, cut lengths, end angles, hole locations and surface condition. If the stair project requires mechanical test reports or particular acceptance criteria, confirm them before production.<\/p>\n Profile Supply Based on Your Drawings<\/strong> What is the function of an FRP C Channel stair stringer?<\/strong> Planning a fiberglass staircase or replacing stair side members?<\/p>\n
\nA channel stringer extends along the stair slope and connects the individual tread support points to the end supports. This makes it a key structural member of the stair assembly.
\nDefined Surfaces for Tread Connections<\/strong>
\nThe channel web provides an attachment surface for designed brackets and bolted connections. Hole spacing can be coordinated with tread positions and the required rise and going.
\nCorrosion-Resistant Material Option<\/strong>
\nFiberglass channel offers an alternative to steel stringers in moisture-exposed or chemically aggressive environments. Resin selection must match the actual exposure conditions.
\nLighter Members for Handling<\/strong>
\nCompared with steel channels of the same dimensions, FRP members are lighter to handle. Final section selection must still account for differences in material stiffness and strength.
\nFabrication to Match the Stair Layout<\/strong>
\nCut lengths, end cuts and drilled-hole patterns can be specified from approved drawings, helping align the stringers with tread supports and landing connections.<\/p>\nRole Within the Stair Assembly<\/h3>\n
\nC channels can form the inclined side beams of the stair flight. Section depth, flange width and thickness are selected according to loads, unsupported length and connection requirements.
\nTread Support Connections<\/strong>
\nTreads are attached through designed support brackets or seating details. Fiberglass angle profiles<\/a><\/strong> may be used as local support components where specified in the drawings.
\nUpper and Lower End Connections<\/strong>
\nThe stringers connect to a landing frame, base support or other supporting structure. End plates, brackets and anchors must be designed for the reactions at these locations.
\nHandrail Coordination<\/strong>
\nWhere handrail posts attach to the stringers, the channel and its connections must account for the resulting loads. Explore our GFK-Gel\u00e4ndersysteme<\/a><\/strong> for related railing options.<\/p>\nTypical Project Applications<\/h3>\n
\nSide support members for stairs leading to equipment platforms, service areas and elevated walkways.
\nWater and Wastewater Facilities<\/strong>
\nStair frameworks for access around treatment equipment and operating platforms, with material selection based on moisture and chemical exposure.
\nChemical Processing Facilities<\/strong>
\nChannel stringers for access structures where the selected resin system suits the substances and temperatures present.
\nOutdoor Maintenance Platforms<\/strong>
\nStair side members for outdoor access assemblies, with weather exposure and UV requirements specified before ordering. Explore additional FRP profile applications<\/a><\/strong> for industrial frames and fabricated access structures.<\/p>\nTechnical Specifications<\/h3>\n
\n
\n \nPosition<\/th>\n Spezifikation<\/th>\n<\/tr>\n<\/thead>\n \n Produktname<\/td>\n FRP C Channel \/ Fiberglass Channel<\/td>\n<\/tr>\n \n Main Function<\/td>\n Stair Stringer and Side Support Member<\/td>\n<\/tr>\n \n Querschnittsform<\/td>\n Open C\u2011Shaped Channel<\/td>\n<\/tr>\n \n Herstellungsverfahren<\/td>\n Pultrusion<\/td>\n<\/tr>\n \n Material<\/td>\n Glass Fiber Reinforced Resin<\/td>\n<\/tr>\n \n Section Dimensions<\/td>\n Specify depth, flange width, web thickness and flange thickness<\/td>\n<\/tr>\n \n Member Length<\/td>\n According to stair layout and order requirements<\/td>\n<\/tr>\n \n Harzsystem<\/td>\n Selected for the operating environment<\/td>\n<\/tr>\n \n Farbe<\/td>\n Available options to be confirmed<\/td>\n<\/tr>\n \n Fabrication Options<\/td>\n Cutting, end cuts and drilling, subject to review<\/td>\n<\/tr>\n \n Tread Attachment<\/td>\n Designed brackets or support details<\/td>\n<\/tr>\n \n End Connections<\/td>\n According to approved structural drawings<\/td>\n<\/tr>\n \n Structural Checks<\/td>\n Strength, deflection, stability and connection capacity<\/td>\n<\/tr>\n \n Supporting Data<\/td>\n Confirm required section properties and test documentation before ordering<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n Selecting the Channel Section<\/h3>\n
\n
Fabrication and Assembly<\/h3>\n
\nProvide a drawing showing bracket positions, hole diameters and spacing. Accurate coordination helps keep the tread levels and stair geometry consistent.
\nEnd Cuts and Connections<\/strong>
\nSpecify the required end angles and connection details. Confirm these dimensions against the actual landing and base support arrangement.
\nHandling and Installation<\/strong>
\nSupport long members during handling and follow the approved installation sequence. Use suitable dust control and protective equipment for cutting or drilling.
\nConnection Inspection<\/strong>
\nInspect fasteners, brackets and anchorage after assembly. Follow the specified tightening procedure to avoid damaging FRP around the connections.<\/p>\nManufacturing and Inspection<\/h3>\n
Why Choose Mingchi FRP?<\/h3>\n
\nSubmit the stair layout and channel requirements so the supply scope can be clearly defined.
\nCoordinated Fabrication Details<\/strong>
\nSpecify cut lengths, end cuts and drilling patterns for the intended assembly.
\nRelated FRP Components<\/strong>
\nReview channel profiles alongside angle supports, railing components and grating products. For landing surfaces, explore our molded FRP grating<\/a>, with panel selection based on the required span and loads.
\nClear Documentation Requirements<\/strong>
\nAgree on inspection records, material data and packaging requirements before ordering.<\/p>\nH\u00e4ufig gestellte Fragen<\/h3>\n
\nIt acts as a longitudinal side member, supporting tread connections and transferring stair loads to the end supports.
\nHow is it different from fiberglass angle?<\/strong>
\nThe C channel can serve as the continuous stair side beam. Angle profiles are often used for local brackets, tread seating or connection details. Their exact roles depend on the design.
\nCan the treads be bolted directly to the channel?<\/strong>
\nThe attachment method depends on the tread and stringer design. Brackets or other support details may be required; holes alone do not establish an adequate connection.
\nWhich channel size should I choose?<\/strong>
\nSelection depends on the stair span, width, loads, restraint and connection arrangement. Send the stair drawing and design requirements for review.
\nCan it replace a steel stair stringer?<\/strong>
\nReplacement requires an engineering check. Matching a steel channel\u2019s dimensions does not establish equivalent stiffness, strength or connection capacity.
\nCan you supply pre-drilled stringers?<\/strong>
\nDrilling requirements can be reviewed against fabrication drawings. Include hole positions, diameters and tolerances.
\nDoes the channel make the stair surface slip-resistant?<\/strong>
\nThe channel supports the staircase. Slip resistance depends on the tread surface and nosing selected for the assembly.<\/p>\nAngebot anfordern<\/h3>\n
![\"150x75x6x9](\"http:\/\/www.mingchifrp.com\/wp-content\/uploads\/2026\/04\/18_7_11zon-300x169.jpg\")
![\"150x75x6x9](\"http:\/\/www.mingchifrp.com\/wp-content\/uploads\/2026\/04\/19_8_11zon-300x169.jpg\")
<\/p>\n![\"FRP](\"http:\/\/www.mingchifrp.com\/wp-content\/uploads\/2026\/05\/Production-line_11zon.webp\")
<\/p>\n