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SIKA

SikaInject-304 DE — Gel poliacrílico de inyección para muro cortina e impermeabilización

727.57 €
727.57 € 855.97 €
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Tax included. Shipping calculated at checkout.
Formato:
  • Free Shipping +€90
  • Returns/Refunds
  • 24/7 Help Center
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📦 Shipping and Returns Policy

🚚 Shipping

Free shipping based on destination and minimum order

  • Spain (Peninsula): Free shipping on orders over €90
  • Portugal: Free shipping on orders over €300
  • Balearic Islands: Free shipping on orders over €500
  • Europe (enabled countries): Free shipping on orders over €1000

Order processing

  • Orders placed before 12:00h are processed on the same business day. Orders placed after this time will be processed on the next business day.
  • Payments made by bank transfer will be processed once the amount has been received.
  • The use of bank transfer is not recommended for urgent orders.
  • All orders include a tracking number, which will be sent by email.
  • Carriers: SEUR, CTT, UPS, Transaher or other logistics operators depending on availability and type of shipment.

Orders over 20 kg may be shipped palletized by specialized logistics companies.

Shipping methods

  • Express Shipping: 24/48 business hours
  • Fast Shipping: 24/72 business hours
  • Economy Shipping: 48/78 business hours
  • Pallet Shipping: 48/72 business hours (curbside delivery)

🕒 Deliveries are made from Monday to Friday, until 8:00 p.m., excluding weekends and holidays.


Delivery times and shipping agencies

The delivery times indicated on StockPinturas.com are merely indicative and do not constitute a contractual commitment, as they depend on the operation of external transport companies and circumstances beyond the control of StockPinturas.com, such as logistical incidents, route saturation, adverse weather conditions, or other force majeure causes.

For palletized shipments with curbside delivery, the usual delivery time is 48 to 72 business hours, provided the order has been correctly confirmed, prepared, and dispatched.

StockPinturas.com reserves the right to select the most appropriate transport agency based on the weight, volume, destination, and nature of the order, and may use different logistics operators without any modification to the sales conditions.

Possible delays attributable to the transport company will not give rise to compensation, order cancellation, or refund of shipping costs, provided the merchandise has been correctly dispatched from our facilities.


Delivery attempts

  • In case of the recipient's absence, a second delivery attempt will be made.
  • After two failed attempts, the merchandise may be deposited at the corresponding transport company's branch.
  • If the order cannot be delivered due to reasons attributable to the recipient and is returned to the origin, shipping costs will not be refundable.
  • If a new shipment is requested, the customer must pay the transport costs again.

📌 Some bulky or special products may be excluded from free shipping. In case of doubt, it is recommended to request a quote in advance.

Free shipping conditions

Free shipping applies only to standard products within the peninsula that do not require special transportation.

Some heavy, bulky, or palletized products (such as mortars, single-layer paints, large buckets, etc.) may not be subject to the free shipping promotion, even if the order exceeds the established minimum amount.

In these cases, transport costs will be calculated individually based on weight, volume, and destination, and will be communicated to the customer before shipment.

StockPinturas reserves the right to cancel the order and issue a refund if the customer does not accept the special transport conditions.


🔄 Returns

Return period

15 calendar days from receipt of the order.

Return costs

Will be borne by the customer, except in the following cases:

  • Defective product
  • Incorrect order

Return conditions

  • Products unused, in perfect condition and with their original packaging.
  • Manipulated, used or incomplete products will not be accepted.
  • Returns of products on clearance or refurbished are not allowed.

Return procedure

  • Send an email to info@stockpinturas.com
  • Subject: Return (#order number)
  • Indicate the reason for the return
  • Include the order number
  • Attach images in case of defective product
  • Once the return is approved, the corresponding exchange or refund will be processed

💰 Refunds

Refund period

Up to 14 calendar days from receipt of the returned product.

Refund amount

  • The total purchase amount (product and shipping costs) will be refunded only when the return is not voluntary.
  • For voluntary returns, shipping costs will not be refunded.

Refund conditions

  • The product must be in perfect condition.
  • It is not mandatory to keep the original packaging, although its absence may imply a depreciation of the amount to be refunded.

❓ Frequently Asked Questions

How long will my order take?

The customer will receive a tracking link by email. The delivery time will depend on the selected shipping method, product availability, and correct payment confirmation. Most orders are prepared and dispatched on the same business day if placed before 13:00h.

About the product

SikaInject-304 DE es una resina de inyección poliacrílica de 3 componentes, de viscosidad muy baja y elongación muy alta, con tiempo de gelificación ajustable. Se usa en inyección tipo muro cortina y en la impermeabilización permanente de grietas, juntas y coqueras según EN 1504-5. Se inyecta con bomba de dos componentes.

¿Para qué es ideal? Para empresas aplicadoras y obra profesional: impermeabilización de sótanos, muros enterrados, túneles y obra civil mediante inyección de muro cortina, grietas, nidos de grava y juntas o waterstops fallidos.

Por qué elegir SikaInject-304 DE

  • ✓Viscosidad muy baja: ≈ 4 mPa·s en mezcla, penetra en fisuras finas, mampostería y terreno.
  • ✓Elongación ≈ 750 %: acompaña los movimientos del soporte sin perder estanqueidad.
  • ✓Gelificación ajustable: se regula con la concentración de sal (parte B) y la temperatura.
  • ✓Estanco hasta 7 bar: en combinación con SikaInject-315 PS.
  • ✓Conforme a EN 1504-5: inyección para sellado por hinchamiento de grietas, huecos e intersticios.

Datos técnicos

Base química Resina de inyección poliacrílica, 3 componentes
Viscosidad mezcla ≈ 4 mPa·s
Densidad A1 ≈ 1,22 kg/l · A2 ≈ 0,93 kg/l · B ≈ 2,59 kg/l
Elongación ≈ 750 %
Hinchamiento ≈ 25 %
Proporción de mezcla 1:1 en volumen (A1+A2 : B disuelta)
Temperatura soporte y ambiente +5 °C a +35 °C
Formato Lote 21,5 kg: A1 20 kg + A2 0,5 kg + B 1 kg
Conservación 12 meses, entre +15 °C y +25 °C
Norma EN 1504-5
Formato de venta Lote 21.5 kg (caja/envase completo)
Referencias Sika 841736

Aplicación paso a paso

  1. Preparar: grietas, juntas y huecos limpios, libres de partículas sueltas, polvo y aceite.
  2. Componente A: vierte toda la parte A2 en la A1 y mezcla 3 minutos.
  3. Componente B: disuelve el polvo de la parte B en 17 l de agua limpia y mezcla 3 minutos.
  4. Inyectar: con bomba de 2 componentes en proporción 1:1; para muro cortina, trabaja con gelificación superior a 2 minutos.
  5. Limpiar: limpia la bomba solo con agua antes de que gelifique; curado, se elimina mecánicamente.

Preguntas frecuentes

¿Qué es la inyección tipo muro cortina? +
Consiste en inyectar el gel a través del muro hacia el terreno exterior para crear una barrera impermeable detrás de la estructura, sin excavar.
¿Cómo se ajusta el tiempo de gelificación? +
Con la cantidad de sal (parte B) y según la temperatura; la vida útil va de unos 10 segundos a 7 minutos.
¿Qué equipo necesito? +
Una bomba de inyección de 2 componentes. Es un producto para aplicadores con experiencia en inyecciones.
¿Aguanta presión de agua? +
Ha superado ensayos de estanqueidad hasta 7 bar en combinación con SikaInject-315 PS.
¿Cómo se vende y cuánto tarda en llegar? +
Se vende en la caja o envase completo que sirve Sika (lo ves en el selector de formato). Es producto original Sika que te enviamos en 5 a 7 días laborables.

Documentación técnica

Producto de gama profesional / industrial. Sistema pensado para empresas aplicadoras: consúltanos antes de comprar y te confirmamos que es el producto adecuado para tu obra.
Combínalo con el compuesto SikaInject-315 PS para mejorar la estanqueidad bajo presión.
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